| SRM/RM |
Description |
| SRM 1 |
Argillaceous Limestone, July 1, 1910 |
| SRM 1a |
Argillaceous Limestone (All results are based on a sample dried for 1 hour at 105 °C to 110 °C), January 8, 1931 |
| SRM 1b |
Argillaceous Limestone (All analyses are based on samples dried 2 hours at 110 °C), November 8, 1966 |
| SRM 1c |
Argillaceous Limestone, March 12, 1990 |
| SRM 2 |
Zinc Ore, February 1, 1919 |
| SRM 2a |
Zinc Ore, Provisional, May 1, 1933 |
| SRM 3 |
White Iron, March 27, 1958 |
| SRM 3a |
White Iron, December 14, 1962 |
| SRM 3b |
White Iron, March 11, 1969 |
| SRM 3c |
White Iron, March 17, 1969 |
| SRM 3d |
White Iron, April 2, 1979 |
| SRM 4 |
Analyses of Standardized Iron, February 1, 1906 |
| SRM 4a |
Iron B, April 15, 1910 |
| SRM 4b |
Iron B, September 1, 1918 |
| SRM 4c |
Cast Iron, February 26, 1924 |
| SRM 4d |
Cast Iron, January 4, 1929 |
| SRM 4e |
Cast Iron, October 10, 1934 |
| SRM 4f |
Cast Iron, November 18, 1943 |
| SRM 4g |
Cast Iron, August 29, 1947 |
| SRM 4h |
Cast Iron, January 21, 1953 |
| SRM 4i |
Cast Iron, November 29, 1957 |
| SRM 4j |
Cast Iron, January 25, 1971 |
| SRM 4k |
Cast Iron, May 27, 1976 |
| SRM 5 |
Analyses or Standardized Iron, February 1, 1906 |
| SRM 5 |
Copper Heat, March 19, 1992 |
| SRM 5a |
Iron C, April 15, 1910 |
| SRM 5b |
Iron C, January 1, 1914 |
| SRM 5c |
Iron C, Provisional, August 1, 1918 |
| SRM 5c |
Iron C, September 1, 1918 |
| SRM 5d |
Iron C, July 25, 1921 |
| SRM 5e |
Cast Iron, September 25, 1925 |
| SRM 5f |
Cast Iron, January 4, 1929 |
| SRM 5g |
Cast Iron, October 10, 1934 |
| SRM 5h |
Cast Iron, May 22, 1943 |
| SRM 5i |
Cast Iron, February 10, 1947 |
| SRM 5j |
Cast Iron, January 21, 1953 |
| SRM 5k |
Cast Iron, July 23, 1956 |
| SRM 5l |
Cast Iron, October 10, 1967 |
| SRM 6 |
Analyses of Standardized Iron, February 1, 1906 |
| SRM 6a |
Iron D, June 15, 1910 |
| SRM 6b |
Iron D, June 1, 1916 |
| SRM 6c |
Iron D, February 1, 1920 |
| SRM 6d |
Iron D, January 21, 1928 |
| SRM 6e |
Iron D, November 18, 1943 |
| SRM 6f |
Iron D, November 30, 1955 |
| SRM 7 |
Iron E, June 1, 1917 |
| SRM 7a |
Iron E, July 22, 1921 |
| SRM 7b |
Iron E, May 4, 1926 |
| SRM 7c |
Iron E (High Phosphorus), April 20, 1934 |
| SRM 7d |
Iron E (High Phosphorus), July 10, 1945 |
| SRM 7e |
Iron E (High Phosphorus), July 8, 1951 |
| SRM 7f |
Iron E (High Phosphorus), November 30, 1955 |
| SRM 7g |
Iron E (High Phosphorus), October 5, 1959 |
| SRM 8a |
Bessemer Steel, 0.1% Carbon, June 1, 1911 |
| SRM 8b |
Bessemer Steel, 0.1% Carbon, September 1, 1918 |
| SRM 8c |
Bessemer Steel, 0.1% Carbon, September 15, 1924 |
| SRM 8d |
Bessemer Steel, 0.1% Carbon, June 19, 1928 |
| SRM 8e |
Bessemer Steel, 0.1% Carbon, March 15, 1937 |
| SRM 8f |
Bessemer Steel, 0.1% Carbon, October 1, 1941 |
| SRM 8g |
Bessemer Steel, 0.1% Carbon, May 3, 1944 |
| SRM 8h |
Bessemer Steel, 0.1% Carbon, Provisional, January 19, 1954 |
| SRM 8h |
Bessemer Steel, 0.1% Carbon, March 31, 1955 |
| SRM 8i |
Bessemer Steel, 0.1% Carbon, December 15, 1958 |
| SRM 8i |
Bessemer Steel, 0.1% Carbon, May 5, 1965 |
| SRM 8j |
Bessemer Steel 0.1% Carbon, Provisional, January 17, 1972 |
| SRM 8j |
Bessemer Steel, 0.1% Carbon, April 10, 1972 |
| SRM 9 |
Analyses of Standardized Bessemer 0.2 |
| SRM 9a |
Bessemer Steel, 0.2% Carbon, May 5, 1911 |
| SRM 9b |
Bessemer Steel, 0.2% Carbon, November 9, 1918 |
| SRM 9c |
Bessemer Steel, 0.2% Carbon, November 5, 1924 |
| SRM 9d |
Bessemer Steel, 0.2% Carbon, March 12, 1943 |
| SRM 10 |
Analyses of Standardized Steel, Bessemer 0.4, July 1, 1907 |
| SRM 10a |
Analyses of Standardized Steel, Bessemer 0.4 |
| SRM 10b |
Bessemer Steel, 0.4 % Carbon, October 20, 1913 |
| SRM 10c |
Bessemer Steel, 0.4 % Carbon |
| SRM 10d |
Bessemer Steel, 0.4 % Carbon, November 7, 1927 |
| SRM 10e |
Bessemer Steel, 0.4 % Carbon, November 15, 1944 |
| SRM 10f |
Bessemer Steel, 0.4 % Carbon, March 15, 1955 |
| SRM 10g |
Bessemer Steel, 0.4 % Carbon, October 14, 1965 |
| SRM 11 |
Standardized Steel, January 1, 1908 |
| SRM 11a |
Basic Open-Hearth Steel, 0.2 % Carbon, March 20, 1911 |
| SRM 11b |
Basic Open-Hearth Steel, 0.2 % Carbon, November 9, 1918 |
| SRM 11c |
Basic Open-Hearth Steel, 0.2 % Carbon, May 8, 1923 |
| SRM 11d |
Basic Open-Hearth Steel, 0.2 % Carbon, September 1, 1929 |
| SRM 11e |
Basic Open-Hearth Steel, 0.2 % Carbon, February 10, 1944 |
| SRM 11f |
Basic Open-Hearth Steel, 0.2 % Carbon, August 1, 1949 |
| SRM 11g |
Basic Open-Hearth Steel, 0.2 % Carbon, May 18, 1956 |
| SRM 11h |
Basic Open-Hearth Steel, 0.2% Carbon, Provisional, September 1, 1966 |
| SRM 11h |
Basic Open-Hearth Steel, 0.2 % Carbon, February 20, 1992 |
| SRM 12a |
Basic Open-Hearth Steel, 0.4 % Carbon, February 1, 1911 |
| SRM 12b |
Basic Open-Hearth Steel, 0.4 % Carbon, May 1, 1917 |
| SRM 12c |
Basic Open Hearth Steel, 0.4 % Carbon, March 18, 1925 |
| SRM 12d |
Basic Open-Hearth Steel, 0.4 % Carbon, November 20, 1930 |
| SRM 12e |
Basic Open-Hearth Steel, 0.4 % Carbon, September 30, 1944 |
| SRM 12f |
Basic Open-Hearth Steel, 0.4 % Carbon, January 3, 1955 |
| SRM 12g |
Basic Open-Hearth Steel, 0.4 % Carbon, May 15, 1958 |
| SRM 13a |
Basic Open-Hearth Steel, 0.6 % Carbon, October 21, 1911 |
| SRM 13b |
Basic Open-Hearth Steel, 0.6 % Carbon, August 2, 1920 |
| SRM 13c |
Basic Open-Hearth Steel, 0.6 % Carbon, March 26, 1926 |
| SRM 13d |
Basic Open-Hearth Steel, 0.6 % Carbon, April 2, 1942 |
| SRM 13e |
Basic Open-Hearth Steel, 0.6 % Carbon, November 28, 1950 |
| SRM 13f |
Basic Open-Hearth Steel, 0.6 % Carbon, January 30, 1958 |
| SRM 14 |
Basic Open-Hearth Steel, 0.8 % Carbon, May 1, 1910 |
| SRM 14a |
Basic Open Hearth Steel, 0.8 % Carbon, August 15, 1911 |
| SRM 14b |
Basic Open-Hearth Steel, 0.8 % Carbon, October 9, 1922 |
| SRM 14c |
Basic Open-Hearth Steel, 0.8 % Carbon, January 5, 1938 |
| SRM 14d |
Basic Open-Hearth Steel, 0.8 % Carbon, Provisional, August 7, 1953 |
| SRM 14d |
Basic Open-Hearth Steel, 0.8 % Carbon, February 15, 1955 |
| SRM 14e |
Basic Open-HHearth Steel, 0.8 % Carbon, November 9, 1965 |
| SRM 14e |
Basic Open-Hearth Steel, 0.8% Carbon, Provisional, March 10, 1965 |
| SRM 14f |
Basic Open-Hearth Steel Carbon- (AISI 1078), February 24, 1981 |
| SRM 15 |
Basic Open Hearth Steel, 0.1, February 8, 1908 |
| SRM 15a |
Basic Open Hearth Steel, 0.1 % Carbon, June 23, 1915 |
| SRM 15b |
Basic Open Hearth Steel, 0.1 % Carbon, September 25, 1925 |
| SRM 15c |
Basic Open-Hearth Steel, 0.1 % Carbon, February 28, 1940 |
| SRM 15d |
Basic Open Hearth Steel, 0.1 % Carbon, December 3, 1943 |
| SRM 15e |
Basic Open Hearth Steel, 0.1 % Carbon, November 10, 1953 |
| SRM 15f |
Basic Open Hearth Steel, 0.1 % Carbon, December 19, 1956 |
| SRM 15g |
Basic Open Hearth Steel, 0.1% Carbon, April 30, 1974 |
| SRM 16 |
Basic Open Hearth Steel, 1.0, February 8, 1908 |
| SRM 16a |
Basic Open-Hearth Steel, 1.0 % Carbon, May 20, 1914 |
| SRM 16b |
Basic Open-Hearth Steel, 1.0 % Carbon, December 5, 1925 |
| SRM 16c |
Basic Open-Hearth Steel, 1.0 % Carbon, February 5, 1935 |
| SRM 16d |
Basic Open-Hearth Steel, 1.0 % Carbon, June 1, 1956 |
| SRM 16e |
Basic Open-Hearth Steel, 1.1 % Carbon, April 30, 1974 |
| SRM 17 |
Sucrose, April 1, 1963 |
| SRM 17a |
Sucrose, December 26, 1967 |
| SRM 17a |
Sucrose (Polarimetric) |
| SRM 17c |
Sucrose (Polarimetric) |
| SRM 17c |
Sucrose, April 1, 1981 |
| SRM 17d |
Sucrose, September 24, 1993 |
| SRM 17d |
Sucrose (Polarimetric) |
| SRM 17e |
Sucrose (Polarimetric) |
| SRM 17e |
Sucrose, September 16, 2003 |
| SRM 18 |
Acid Open-Hearth, 0.1, August 28, 1960 |
| SRM 19 |
Acid Open-Hearth, 0.2, August 28, 1960 |
| SRM 19a |
Acid Open-Hearth Steel, 0.2 % Carbon, June 15, 1912 |
| SRM 19b |
Acid Open-Hearth Steel, 0.2 % Carbon, May 3, 1922 |
| SRM 19c |
Acid Open-Hearth Steel, 0.2 % Carbon, September 1, 1929 |
| SRM 19d |
Acid Open-Hearth Steel, 0.2 % Carbon, February 10, 1944 |
| SRM 19e |
Acid Open-Hearth Steel, 0.2 % Carbon, July 28, 1948 |
| SRM 19f |
Acid Open-Hearth Steel, 0.2 % Carbon, Provisional, May 4, 1954 |
| SRM 19f |
Acid Open-Hearth Steel, 0.2 % Carbon, April 8, 1955 |
| SRM 19g |
Acid Open-Hearth Steel, 0.2 % Carbon, Provisional, February 14, 1964 |
| SRM 19g |
Acid Open-Hearth Steel, 0.2 % Carbon, September 30, 1964 |
| SRM 20 |
Acid Open-Hearth 0.4 % |
| SRM 20a |
Acid Open-Hearth Steel, 0.4 % Carbon, December 1, 1916 |
| SRM 20b |
Acid Open-Hearth Steel, 0.4 % Carbon, January 28, 1922 |
| SRM 20c |
Acid Open-Hearth Steel, 0.4 % Carbon, October 14, 1926 |
| SRM 20d |
Acid Open-Hearth Steel, 0.4 % Carbon, February 28, 1940 |
| SRM 20e |
Acid Open-Hearth Steel, 0.4 % Carbon, April 20, 1948 |
| SRM 20f |
Acid Open-Hearth Steel, 0.4 % Carbon, August 20, 1956 |
| SRM 21 |
Acid Open-Hearth, 0.6 % |
| SRM 21a |
Acid Open Hearth Steel, 0.6 % Carbon, December 1, 1916 |
| SRM 21b |
Acid Open-Hearth Steel, 0.6 % Carbon, September 26, 1923 |
| SRM 21c |
Acid Open-Hearth Steel, 0.6 % Carbon, July 1, 1930 |
| SRM 21d |
Acid Open-Hearth Steel, 0.6 % Carbon, March 1, 1948 |
| SRM 22 |
Bessemer Steel, 0.6 % Carbon, March 1, 1910 |
| SRM 22a |
Bessemer Steel, 0.6 % Carbon, November 9, 1918 |
| SRM 22b |
Bessemer Steel, 0.6 % Carbon, July 20, 1926 |
| SRM 22c |
Bessemer Steel, 0.5 % Carbon, August 28, 1946 |
| SRM 23 |
Bessemer Steel, 0.8 % Carbon, March 1, 1910 |
| SRM 23a |
Bessemer Steel, 0.8 % Carbon, January 24, 1921 |
| SRM 24 |
Vanadium Steel, 0.15 % Vanadium, October 1, 1910 |
| SRM 25 |
Manganese Ore (Dried at 120°), July 1, 1910 |
| SRM 25a |
Manganese Ore (Dried at 120°), June 1, 1920 |
| SRM 25b |
Manganese Ore, April 1, 1927 |
| SRM 25c |
Manganese Ore, Provisional, April 25, 1966 |
| SRM 26 |
Crescent Iron Ore (Dried at 100°), September 20, 1930 |
| SRM 27 |
"Sibley" Iron Ore (Dried at 100°) |
| SRM 27a |
"Sibley" Iron Ore (Dried at 100°), November 1, 1918 |
| SRM 27a |
"Sibley" Iron Ore (Dried at 100°) |
| SRM 27b |
"Sibley" Iron Ore (Dried at 100°), August 1, 1935 |
| SRM 27c |
Mesabi Iron Ore, Provisional, December 28, 1951 |
| SRM 27d |
Mesabi Iron Ore, Provisional, June 3, 1960 |
| SRM 27e |
Sibley Iron Ore, June 21, 1966 |
| SRM 27f |
Sibley Iron Ore, December 30, 1991 |
| SRM 28 |
Norrie Iron Ore, July 1, 1910 |
| SRM 28a |
Norrie Iron Ore, March 29, 1948 |
| SRM 29 |
Magnetite Iron Ore (Dried at 100°) |
| SRM 29a |
Magnetite Iron Ore (Dried at 105 °C), Provisional, July 16, 1939 |
| SRM 30 |
Chrome-Vanadium Steel, June 20, 1912 |
| SRM 30a |
Chrome-Vanadium Steel, July 10, 1919 |
| SRM 30b |
Chrome-Vanadium Steel, October 24, 1922 |
| SRM 30c |
Chrome-Vanadium Steel, November 5, 1929 |
| SRM 30d |
Chrome-Vanadium Steel, January 2, 1943 |
| SRM 30e |
Chrome-Vanadium Steel, Provisional, March 15, 1954 |
| SRM 30e |
Chrome-Vanadium Steel, March 15, 1955 |
| SRM 31 |
Chrome-Tungsten Steel, December 1, 1912 |
| SRM 32 |
Chrome-Nickel Steel, June 20, 1912 |
| SRM 32a |
Chrome-Nickel Steel |
| SRM 32b |
Chrome-Nickel Steel, September 20, 1927 |
| SRM 32c |
Chrome-Nickel Steel, April 6, 1943 |
| SRM 32d |
Chrome-Nickel Steel, July 14, 1949 |
| SRM 33 |
Nickel Steel, June 20, 1912 |
| SRM 33a |
Nickel Steel, August 25, 1921 |
| SRM 33b |
Nickel Steel, April 10, 1928 |
| SRM 33c |
Nickel Steel, May 15, 1944 |
| SRM 33d |
Nickel Steel, June 10, 1955 |
| SRM 34 |
Acid Open-Hearth Steel, 0.8% Carbon, June 15, 1913 |
| SRM 34a |
Acid Open-Hearth Steel, 0.8% Carbon, November 15, 1928 |
| SRM 35 |
Acid Open-Hearth Steel, 1.0% Carbon, June 15, 1913 |
| SRM 35a |
Acid Open-Hearth Steel, 1.0% Carbon, March 19, 1927 |
| SRM 36 |
Chromium Molybdenum Steel, March 30, 1942 |
| SRM 36a |
Chromium Molybdenum Steel, September 25, 1950 |
| SRM 37 |
Sheet Brass, January 15, 1914 |
| SRM 37a |
Sheet Brass, July 30, 1920 |
| SRM 37b |
Sheet Brass, February 14, 1923 |
| SRM 37c |
Sheet Brass, January 16, 1942 |
| SRM 37d |
Sheet Brass, January 28, 1946 |
| SRM 37e |
Sheet Brass, August 28, 1958 |
| SRM 38 |
Naphthalene |
| SRM 38a |
Naphthalene |
| SRM 38b |
Naphthalene, March 20, 1930 |
| SRM 39 |
Benzoic Acid |
| SRM 39a |
Benzoic Acid |
| SRM 39b |
Benzoic Acid, January 7, 1922 |
| SRM 39c |
Benzoic Acid, November 4, 1925 |
| SRM 39d |
Benzoic Acid, October 30, 1929 |
| SRM 39e |
Benzoic Acid, October 16, 1933 |
| SRM 39f |
Benzoic Acid, February 12, 1946 |
| SRM 39g |
Benzoic Acid, May 28, 1951 |
| SRM 39h |
Benzoic Acid, April 15, 1958 |
| SRM 39i |
Benzoic Acid Calorimetric Standard, Provisional, July 14, 1965 |
| SRM 39i |
Benzoic Acid Calorimetric Standard, July 15, 1968 |
| SRM 40 |
Sodium Oxalate, August 27, 1912 |
| SRM 40a |
Sodium Oxalate, June 1, 1920 |
| SRM 40b |
Sodium Oxalate, June 1, 1920 |
| SRM 40c |
Sodium Oxalate, October 23, 1929 |
| SRM 40d |
Sodium Oxalate, Provisional, June 27, 1940 |
| SRM 40e |
Sodium Oxalate, Provisional, April 26, 1945 |
| SRM 40f |
Sodium Oxalate, Provisional, February 1, 1952 |
| SRM 40g |
Sodium Oxalate, August 11, 1958 |
| SRM 40h |
Sodium Oxalate, May 19, 1992 |
| SRM 41 |
Dextrose, Lot #6094April 5, 1963 |
| SRM 41 |
Dextrose Lot #4854 |
| SRM 41a |
Dextrose, December 26, 1967 |
| SRM 41b |
Dextrose, December 27, 1982 |
| SRM 41c |
Dextrose, May 27, 1993 |
| SRM 42 |
Tin (Melting Point or Freezing Point) |
| SRM 42a |
Tin (Melting Point or Freezing Point) |
| SRM 42b |
Tin (Melting Point or Freezing Point), May 2, 1927 |
| SRM 42c |
Tin (Melting Point or Freezing Point), June 20, 1936 |
| SRM 42d |
Tin (Melting Point or Freezing Point), January 23,1943 |
| SRM 42e |
Tin (Melting Point or Freezing Point), March 20, 1953 |
| SRM 42f |
Tin (Melting Point or Freezing Point), December 6, 1971 |
| SRM 42g |
Tin Secondary Freezing Point Standard, July 18, 1972 |
| SRM 43 |
Zinc (Melting Point or Freezing Point) |
| SRM 43a |
Zinc (Melting Point or Freezing Point) |
| SRM 43b |
Zinc (Freezing Point or Melting Point), October 12, 1926 |
| SRM 43c |
Zinc (Freezing Point or Melting Point on the International Temperature Scale), May 22, 1930 |
| SRM 43d |
Zinc (Melting Point or Freezing Point), August 22, 1936 |
| SRM 43e |
Zinc (Melting Point or Freezing Point on the International Temperature Scale), January 23, 1943 |
| SRM 43f |
Zinc Pyrometric (Melting Point or Freezing Point on the International Temperature Scale), March 20, 1953 |
| SRM 43g |
Zinc (Freezing Point on the International Temperature Scale of 1948),October 31, 1957 |
| SRM 43h |
Zinc (Freezing Point on the International Temparature Scale of 1990), April 5, 1990 |
| SRM 44 |
Aluminum Melting Point or Freezing Point |
| SRM 44a |
Aluminum Melting Point or Freezing Point, March 9, 1923 |
| SRM 44b |
Aluminum Melting Point or Freezing Point, May 23, 1927 |
| SRM 44c |
Aluminum Melting Point or Freezing Point on the International Temperature Scale, May 24, 1932 |
| SRM 44d |
Aluminum Melting Point or Freezing Point on the International Temperature Scale, March 10, 1948 |
| SRM 44e |
Aluminum Melting Point or Freezing Point on the International Temperature Scale, December 6, 1971 |
| SRM 44f |
Aluminum Melting Point or Freezing Point on the International Temperature Scale, April 12, 1990 |
| SRM 45 |
Copper (Melting Point or Freezing Point) |
| SRM 45a |
Copper (Melting Point or Freezing Point on the International Temperature Scale of 1948) |
| SRM 45b |
Copper Pyrometric (Melting Point or Freezing Point on the International Temp Scale of 1948), December 15, 1949 |
| SRM 45c |
Copper Pyrometric (Melting Point or Freezing Point on the International Temp Scale of 1948), Provisional, September 2, 1953 |
| SRM 45d |
Copper Pyrometric (Melting Point or Freezing Point on the International Temperature Scale of 1948),December 6, 1971 |
| SRM 49 |
Lead (Melting Point or Freezing Point on the International Temperature Scale), February 24, 1921 |
| SRM 49a |
Lead (Melting Point or Freezing Point on the International Temperature Scale), December 18, 1933 |
| SRM 49b |
Lead (Melting Point or Freezing Point on the International Temperature Scale), January 23, 1943 |
| SRM 49c |
Lead (Melting Point or Freezing Point on the International Temperature Scale), May 10, 1948 |
| SRM 49d |
Lead (Melting Point or Freezing Point on the International Temperature Scale), March 20, 1953 |
| SRM 49e |
Lead (Melting Point or Freezing Point on the International Temperature Scale), December 6, 1971 |
| SRM 50 |
Chrome-Tungsten-Vanadium Steel, February 1, 1921 |
| SRM 50a |
Chrome-Tungsten-Vanadium Steel, July 1, 1930 |
| SRM 50b |
Chrome-Tungsten-Vanadium Steel, November 20, 1944 |
| SRM 51 |
Electric Steel, 1.2 % Carbon, January 15, 1921 |
| SRM 51a |
Electric Steel, 1.2 % Carbon, July 6, 1937 |
| SRM 51b |
Electric Steel, 1.2 % Carbon, October 20, 1957 |
| SRM 52 |
Cast Bronze, July 6, 1921 |
| SRM 52a |
Cast Bronze, April 22, 1941 |
| SRM 52b |
Cast Bronze, April 24, 1945 |
| SRM 52c |
Cast Bronze, August 19, 1952 |
| SRM 53 |
Lead-Base Bearing Metal, December 10, 1921 |
| SRM 53a |
Lead-Base Bearing Metal, July 24, 1939 |
| SRM 53b |
Lead-Base Bearing Metal, October 15, 1944 |
| SRM 53c |
Lead-Base Bearing Metal, July 11, 1951 |
| SRM 53d |
Lead-Base Bearing Metal, September 21, 1956 |
| SRM 54 |
Tin-Base Bearing Metal, February 2, 1923 |
| SRM 54a |
Tin-Base Bearing Metal, October 5, 1939 |
| SRM 54b |
Tin-Base Bearing Metal, June 17, 1944 |
| SRM 54c |
Tin-Base Bearing Metal, July 8, 1949 |
| SRM 55 |
Ingot Iron, September 26, 1923 |
| SRM 55a |
Open-Hearth Iron, September 21, 1936 |
| SRM 55b |
Open-Hearth Iron, October 26, 1948 |
| SRM 55c |
Open-Hearth Iron, Provisional, November 16, 1950 |
| SRM 55d |
Open-Hearth Iron, October 17, 1955 |
| SRM 55e |
Open-Hearth Iron, Provisional, April 26, 1960 |
| SRM 55e |
Open-Hearth Iron, February 2, 1961 |
| SRM 56 |
Tennessee Phosphate Rock, May 20, 1927 |
| SRM 56a |
Phosphate Rock (Tennessee Brown), April 4, 1939 |
| SRM 56b |
Phosphate Rock (Tennessee Brown), Provisional, February 4, 1947 |
| SRM 57 |
Refined Silicon, November 28, 1924 |
| SRM 57 |
Refined Silicon, February 7, 1973 |
| SRM 57a |
Refined Silicon, May 24, 1993 |
| SRM 58 |
Ferrosilicon 75% Grade, November 29, 1924 |
| SRM 59 |
Ferrosilicon 50% Grade, November 29, 1924 |
| SRM 60 |
Ferrovanadium (Low Carbon), November 28, 1924 |
| SRM 61 |
Ferrovanadium (High Carbon), November 28, 1924 |
| SRM 61a |
Ferrovanadium, April 15, 1946 |
| SRM 62 |
Manganese Bronze, January 2, 1924 |
| SRM 62a |
Manganese Bronze, March 10, 1942 |
| SRM 62b |
Manganese Bronze, June 30,1944 |
| SRM 62c |
Manganese Bronze, July 30, 1954 |
| SRM 62d |
Manganese Bronze, October 12, 1959 |
| SRM 63 |
Phosphor Bronze Bearing Metal |
| SRM 63a |
Phosphor Bronze Bearing Metal, February 17, 1944 |
| SRM 63b |
Phosphor Bronze Bearing Metal, July 22, 1948 |
| SRM 63c |
Phosphor Bronze Bearing Metal, December 1, 1955 |
| SRM 64 |
Ferrochromium (High Carbon), Provisional, July 21, 1924 |
| SRM 64 |
Ferrochromium (High Carbon), November 28, 1924 |
| SRM 64a |
Ferrochromium (High Carbon), April 16, 1948 |
| SRM 64b |
Ferrochromium (High Carbon), Provisional, October 17, 1960 |
| SRM 64b |
Ferrochromium (High Carbon), January 8, 1962 |
| SRM 65 |
Acid Electric Steel, December 18, 1924 |
| SRM 65a |
Acid Electric Steel, August 20, 1930 |
| SRM 65b |
Acid Electric Steel, 0.3% Carbon, April 30, 1942 |
| SRM 65c |
Basic Electric Steel, 0.3% Carbon, July 16, 1946 |
| SRM 65d |
Basic Electric Steel, 0.3% Carbon, October 30, 1958 |
| SRM 66 |
Spiegeleisen, Provisional, November 6, 1924 |
| SRM 66a |
Spiegeleisen, Provisional, November 24, 1947 |
| SRM 67 |
Manganese Metal, October 16, 1925 |
| SRM 68 |
Ferromanganese, October 16, 1925 |
| SRM 68a |
Ferromanganese, May 28, 1942 |
| SRM 68b |
Ferromanganese, October 20, 1953 |
| SRM 69 |
Bauxite, May 3, 1926 |
| SRM 69a |
Bauxite, Provisional, December 21, 1958 |
| SRM 70 |
Feldspar, July 19,1926 |
| SRM 71 |
Calcium Molybdate, February 1, 1929 |
| SRM 72 |
Chrome-Molybdenum Steel, May 18, 1927 |
| SRM 72a |
Chrome-Molybdenum Steel, September 25, 1936 |
| SRM 72b |
Chrome-Molybdenum Steel, August 3, 1942 |
| SRM 72c |
Chrome-Molybdenum Steel, October 31, 1944 |
| SRM 72d |
Chrome-Molybdenum Steel, October 1, 1948 |
| SRM 72e |
Chrome-Molybdenum Steel, October 1, 1948 |
| SRM 72f |
Chrome-Molybdenum Steel, July 20, 1965 |
| SRM 73 |
Stainless Steel, July 14, 1927 |
| SRM 73a |
Stainless Steel, 14% Chromium, January 18, 1944 |
| SRM 73b |
Stainless Steel, 13% Chromium, Provisional, May 31, 1955 |
| SRM 73b |
Stainless Steel, 13% Chromium, April 15, 1958 |
| SRM 74 |
Cast Iron, May 4, 1926 |
| SRM 75 |
Ferrotungsten, October 1, 1928 |
| SRM 76 |
Burnt Refractory, March 15, 1927 |
| SRM 76a |
Burnt Refractory, March 20, 1992 |
| SRM 77 |
Burnt Refractory, March 15, 1927 |
| SRM 77a |
Burnt Refractory, March 20, 1992 |
| SRM 78 |
Burnt Refractory, March 15, 1927 |
| SRM 78a |
Burnt Refractory, March 20, 1992 |
| SRM 79 |
Fluorspar, September 21, 1929 |
| SRM 80 |
Soda-Lime Glass, June 17, 1927 |
| SRM 81 |
Glass Sand, May 1, 1928 |
| SRM 82 |
Nickel-Chromium Cast Iron, January 21, 1928 |
| SRM 82a |
Nickel-Chromium Cast Iron, October 15, 1949 |
| SRM 83 |
Arsenic Trioxide, June 20, 1927 |
| SRM 83a |
Arsenic Trioxide, May 10, 1948 |
| SRM 83b |
Arsenic Trioxide, April 15, 1958 |
| SRM 83c |
Arsenic Trioxide, Provisional,February 6, 1962 |
| SRM 84 |
Acid Potassium Phthalate, May 27, 1927 |
| SRM 84a |
Acid Potassium Phthalate, March 7, 1938 |
| SRM 84b |
Acid Potassium Phthalate, Provisional |
| SRM 84c |
Acid Potassium Phthalate, Provisional, August 10, 1945 |
| SRM 84d |
Acid Potassium Phthalate, Provisional, September 1, 1950 |
| SRM 84e |
Acid Potassium Phthalate, Provisional, January 7, 1955 |
| SRM 84f |
Acid Potassium Phthalate, Provisional, July 1, 1958 |
| SRM 84g |
Acidmetric Standard, Provisional, January 19, 1966 |
| SRM 84h |
Acid Potassium Phthalate, Provisional, September 27, 1966 |
| SRM 84j |
Acid Potassium Phthalate, January 11, 1993 |
| SRM 84k |
Potassium Hydrogen Phthalate, May 13, 2005 |
| SRM 85 |
Aluminum Alloy (Duralumin), July 12, 1943 |
| SRM 85a |
Aluminum Alloy (Wrought), October 23, 1945 |
| SRM 85b |
Aluminum Alloy (Wrought), May 9, 1957 |
| SRM 86 |
Aluminum-Base Sand-Casting Alloy, Provisional, April 2, 1937 |
| SRM 86a |
Aluminum-Base Sand Casting Alloy, Provisional, March 30, 1939 |
| SRM 86b |
Aluminum Alloy (Casting), July 24, 1943 |
| SRM 86c |
Aluminum Alloy (Casting), December 24, 1948 |
| SRM 87 |
Aluminum-Silicon Alloy, February 28, 1949 |
| SRM 88 |
Dolomite, May 1, 1928 |
| SRM 88a |
Dolomitic Limestone, July 22, 1982 |
| SRM 91 |
Opal Glass Powder, October 28, 1982 |
| SRM 93 |
Borosilicate Glass, July 10, 1933 |
| SRM 94 |
Zinc-Base Die-Casting Alloy, Provisional, April 1, 1930 |
| SRM 94a |
Zinc-Base Alloy (Die-Casting), April 7, 1948 |
| SRM 94b |
Zinc-Base Alloy (Die-Casting), Provisional, March 1, 1954 |
| SRM 95 |
Zinc-Base Die-Casting Alloy, Provisional, April 1, 1930 |
| SRM 96 |
Zinc-Base Die-Casting Alloy, Provisional, April 1, 1930 |
| SRM 97 |
Flint Clay, August 31, 1931 |
| SRM 97a |
Flint Clay, October 8, 1969 |
| SRM 98 |
Plastic Clay, August 31, 1931 |
| SRM 98a |
Plastic Clay, October 8, 1969 |
| SRM 99 |
Soda Feldspar, March 28, 1931 |
| SRM 100 |
Manganese Rail Steel, June 10, 1931 |
| SRM 100a |
Manganese Rail Steel, May 12, 1948 |
| SRM 101 |
18 Chromium-8 Nickel Steel, April 1, 1933 |
| SRM 101a |
18 Chromium-8 Nickel Steel, November 24, 1939 |
| SRM 101b |
18 Chromium-8 Nickel Steel, May 10, 1944 |
| SRM 101c |
18 Chromium-9 Nickel Steel, March 29, 1948 |
| SMR 101d |
18 Chromium-9 Nickel Steel, March 31, 1955 |
| SRM 101e |
18 Chromium-9 Nickel Steel, March 24, 1961 |
| SRM 101f |
18Cr-10Ni Steel (AISI 304L), May 19, 1970 |
| SRM 102 |
Silica Brick, April 29, 1932 |
| SRM 103 |
Chrome Refractory, May 10, 1934 |
| SRM 103a |
Chrome Refractory, September 28, 1962 |
| SRM 104 |
Burned Magnesite, July 10, 1933 |
| SRM 105 |
LA Steel, High S, August 10, 1981 |
| SRM 106 |
Chromium-Molybdenum-Aluminum Steel, April 19, 1933 |
| SRM 106a |
Chromium-Molybdenum-Aluminum Steel, August 29, 1944 |
| SRM 107 |
Nickel Chromium-Molybdenum Cast Iron, May 10, 1933 |
| SRM 107a |
Nickel Chromium-Molybdenum Cast Iron, September 28, 1950 |
| SRM 107b |
Nickel Chromium-Molybdenum Cast Iron, November 1, 1962 |
| SRM 108 |
Spelter, Provisional, May 24, 1928 |
| SRM 109 |
Spelter, Provisional, May 24, 1928 |
| SRM 110 |
Spelter, Provisional, May 24, 1938 |
| SRM 111 |
Nickel-Molybdenum Steel, May 25, 1934 |
| SRM 111a |
Nickel-Molybdenum Steel, November 19, 1943 |
| SRM 111b |
Nickel-Molybdenum Steel, October 17, 1941 |
| SRM 112 |
Silicon Carbide, May 26, 1937 |
| SRM 113 |
Zinc Ore, Provisional, September 25, 1941 |
| SRM 113a |
Zinc Concentrates, December 29, 1975 |
| SRM 114 |
Portland Cement, Provisional, April 11, 1934 |
| SRM 114b |
Portland Cement, Provisional, June 15, 1937 |
| SRM 114c |
Portland Cement, Provisional, August 10, 1938 |
| SRM 114d |
Portland Cement, Provisional, March 12, 1941 |
| SRM 114e |
Portland Cement, Provisional, December 5, 1944 |
| SRM 114f |
Portland Cement, July 1, 1947 |
| SRM 114g |
Portland Cement, March 26, 1951 |
| SRM 114h |
Portland Cement, March 16, 1953 |
| SRM 114i |
Portland Cement, May 5, 1956 |
| SRM 114j |
Portland Cement, January 25, 1961 |
| SRM 114k |
Portland Cement, November 9, 1965 |
| SRM 114l |
Portland Cement, August 25, 1967 |
| SRM 114m |
Portland Cement, Provisional, February 13, 1973 |
| SRM 114n |
Portland Cement Fineness Standard, February 26, 1982 |
| SRM 114p |
Portland Cement Fineness Standard, June 17 2003 |
| SRM 115 |
Copper-Nickel-Chromium Cast Iron Steel, November 6, 1935 |
| SRM 116 |
Ferrotitanium, August 16, 1939 |
| SRM 116a |
Ferrotitanium (Low Carbon), March 10, 1947 |
| SRM 117 |
Ferrotitanium (High Carbon), August 16, 1939 |
| SRM 118 |
Alumel, August 16, 1935 |
| SRM 119 |
Chromel P, August 16, 1935 |
| SRM 120 |
Phosphate Rock (Florida Land Pebble), April 4, 1939 |
| SRM 120a |
Phosphate Rock (Florida), Provisional, July 25, 1961 |
| SRM 120b |
Phosphate Rock (Florida), July 31, 1972 |
| SRM 121 |
18-Chromium-8 Nickel Steel, January 10, 1939 |
| SRM 121a |
18 Chromium-10 Nickel Steel, August 4, 1944 |
| SRM 121b |
18-Chromium-11 Nickel Steel, November 3, 1954 |
| SRM 121c |
18 Cr-10 Ni, Provisional, November 12, 1965 |
| SRM 122 |
Cast Iron (Car-Wheel), March 2, 1938 |
| SRM 122a |
Cast Iron (Car-Wheel), July 9, 1945 |
| SRM 122b |
Cast Iron (Car-Wheel), January 20, 1950 |
| SRM 122c |
Cast Iron (Car-Wheel), March 31, 1955 |
| SRM 122d |
Cast Iron (Car-Wheel), November 29, 1957 |
| SRM 122e |
Cast Iron Car Wheel, November 6, 1969 |
| SRM 122f |
Cast Iron Car Wheel, October 1, 1975 |
| SRM 122g |
Cast Iron Car Wheel, April 2, 1979 |
| SRM 122h |
Cast Iron Car Wheel, April 28, 1983 |
| SRM 123 |
18 Chromium-11 Nickel Steel, March 25, 1939 |
| SRM 123a |
18 Chromium-11 Nickel Steel (Columbium Bearing), Provisional, June 3, 1943 |
| SRM 123b |
Niobium-Tantalum Stabilized Stainless Steel, Provisional, March 9, 1953 |
| SRM 124 |
Ounce Metal, June 1, 1939 |
| SRM 124a |
Ounce Metal, October 7, 1944 |
| SRM 124b |
Ounce Metal, November 25, 1947 |
| SRM 124c |
Ounce Metal, April 30, 1954 |
| SRM 124d |
Ounce Metal, November 6, 1970 |
| SRM 125 |
Steel (High-Silicon), December 28, 1938 |
| SRM 125a |
High-Silicon Steel , Provisional, September 17, 1954 |
| SRM 126 |
High-Nickel Steel (Furnished by Carpenter Steel Company), December 7, 1939 |
| SRM 126a |
High-Nickel Steel, April 22, 1946 |
| SRM 126b |
High-Nickel Steel, August 20, 1957 |
| SRM 127 |
Solder, Provisional, June 12, 1942 |
| SRM 127a |
Solder, August 20, 1951 |
| SRM 128 |
Soda-Lime Glass, Provisional, April 27, 1939 |
| SRM 129 |
High-Sulfur Steel, Provisional, June 1, 1939 |
| SRM 129a |
Bessemer Steel, 0.1% Carbon, May 10, 1945 |
| SRM 129b |
Bessemer Steel, 0.1 % Carbon, December 30, 1957 |
| SRM 130 |
Steel Lead-Bearing, January 11, 1940 |
| SRM 130a |
Steel Lead-Bearing, September 10, 1957 |
| SRM 131 |
Low-Carbon Silicon Steel, May 25, 1949 |
| SRM 131a |
Low-Carbon Silicon Steel, March 10, 1965 |
| SRM 131b |
Low-Carbon Silicon Steel, Provisional, December 6, 1968 |
| SRM 131b |
Low-Carbon Silicon Steel, July 16, 1969 |
| SRM 131c |
Low-Carbon Silicon Steel, June 2, 1977 |
| SRM 131d |
Low Carbon Silicon Steel, December 17, 1986 |
| SRM 131e |
Low Carbon Silicon Steel, November 13, 1991 |
| SRM 131f |
Low Carbon Silicon Steel, May 20, 1997 |
| SRM 132 |
Molybdenum-Tungsten-Chromium-Vanadium Steel, September 24, 1942 |
| SRM 132a |
Molybdenum-Tungsten-Chromium-Vanadium Steel, March 1, 1955 |
| SRM 133 |
Chromium-Molybdenum Steel, April 18, 1944 |
| SRM 133a |
Chromium-Molybdenum Steel, June 8, 1956 |
| SRM 134 |
Molybdenum-Tungsten-Chromium-Vanadium Steel, February 2, 1944 |
| SRM 135 |
Chromium-Molybdenum Steel, November 30, 1943 |
| SRM 136 |
Potassium Dichromate (Oxidimetric Standard), May 11, 1948 |
| SRM 136a |
Potassium Dichromate (Oxidimetric Standard), Provisional, July 16, 1953 |
| SRM 136b |
Potassium Dichromate (Oxidimetric Standard), Provisional, June 30, 1961 |
| SRM 136c |
Potassium Dichromate (Oxidimetric Standard), Provisional, March 24, 1970 |
| SRM 136d |
Potassium Dichromate (Oxidimetric Standard), August 1, 1981 |
| SRM 136e |
Potassium Dichromate (Oxidimetric Standard), April 18, 2000 |
| SRM 137 |
Tin Ore (Bolivian Concentrate), Provisional, November 16, 1942 |
| SRM 138 |
Tin Ore Netherlands East Indies, Provisional, February 17, 1943 |
| SRM 139 |
Chromium-Nickel-Molybdenum Steel, August 14, 1946 |
| SRM 139a |
Chromium-Nickel-Molybdenum Steel, December 17, 1959 |
| SRM 140 |
Benzoic Acid, Provisional, May 13, 1942 |
| SRM 140a |
Benzoic Acid, December 10, 1957 |
| SRM 140b |
Benzoic Acid, November 27, 1961 |
| SRM 141 |
Microchemical Standard Acetanilide, May 13, 1942 |
| SRM 141a |
Microchemical Standard Acetanilide, Provisional, March 1, 1962 |
| SRM 141b |
Acetanilide, November 23, 1965 |
| SRM 141c |
Acetanilide, September 27, 1976 |
| SRM 142 |
Anisic Acid, Provisional, November 23, 1942 |
| SRM 142 |
Anisic Acid, July 9, 1969 |
| SRM 143 |
Cystine, Provisional, November 23, 1942 |
| SRM 143a |
Cystine, Provisional, December 12, 1957 |
| SRM 143b |
Cystine, Provisional, May 3, 1965 |
| SRM 143b |
Cystine, July 9, 1969 |
| SRM 143c |
Cystine, November 5, 1991 |
| SRM 144 |
2-Chlorobenzoic Acid, Provisional, August 12, 1946 |
| SRM 145 |
2-Idobenzoic Acid, Provisional, August 12, 1946 |
| SRM 146 |
Trialphanaphthyl Phosphate, Provisional, August 12, 1946 |
| SRM 147 |
Triphenyl Phosphate, July 9, 1969 |
| SRM 148 |
Nicotinic Acid, Provisional, September 1, 1967 |
| SRM 148 |
Nicotinic Acid, Provisional, December 22, 1970 |
| SRM 149 |
Fluorobenzoic Acid, May 3, 1968 |
| SRM 151 |
Boron Steel, Provisional, November 11, 1943 |
| SRM 152 |
Basic Open-Hearth Steel, February 27, 1947 |
| SRM 153 |
Cobalt-Molybdenum Tungsten Steel, October 17, 1945 |
| SRM 153a |
Cobalt-Molybdenum Tungsten Steel, Provisional, September 18, 1958 |
| SRM 153a |
Cobalt-Molybdenum Tungsten Steel, January 5, 1960 |
| SRM 154 |
Titanium Oxide, Provisional, February 18, 1943 |
| SRM 154a |
Titanium Oxide, Provisional, April 25, 1966 |
| SRM 154b |
Titanium Oxide, May 16, 1973 |
| SRM 154b |
Titanium Oxide, September 11, 1973 |
| SRM 156 |
Chromium-Nickel-Molybdenum Steel, April 20, 1946 |
| SRM 157 |
Copper-Nickel-Zinc Alloy, May 10, 1948 |
| SRM 157a |
Copper-Nickel-Zinc Alloy, October 16, 1958 |
| SRM 158 |
Silicon Bronze, September 12, 1951 |
| SRM 159 |
Chromium-Molybdenum-Silver Steel, October 15, 1948 |
| SRM 160 |
19 Chromium 9 Nickel 3 Molybdenum Steel, March 2, 1949 |
| SRM 160a |
19 Chromium 14 Nickel 3 Molybdenum Steel, Provisional, November 12, 1957 |
| SRM 160a |
19 Chromium-14 Nickel 3 Molybdenum Steel, March 2, 1959 |
| SRM 161 |
Nickel Chromium Casting Alloy (64 Ni-17 Cr), January 14, 1953 |
| SRM 162 |
Nickel Copper Alloy (66 Ni-29 Cu), March 21, 1949 |
| SRM 162a |
Nickel-Copper Alloy (64 Ni-31 Cu), December 18, 1958 |
| SRM 164 |
Manganese - Aluminum Bronze, September 7, 1951 |
| SRM 164a |
Aluminum Bronze, Provisional, December 4, 1958 |
| SRM 165 |
Glass Sand, Provisional, January 26, 1948 |
| SRM 166 |
Low-Carbon Stainless Steel, March 16, 1950 |
| SRM 166a |
Low-Carbon Stainless Steel, Provisional, November 18, 1955 |
| SRM 166b |
Low-Carbon Stainless Steel, Provisional, February 1, 1961 |
| SRM 166b |
Low-Carbon Stainless Steel, June 7, 1961 |
| SRM 167 |
Heat Resisting Alloy, Provisional, October 18, 1954 |
| SRM 168 |
Heat Resisting Alloy, Provisional, January 12, 1956 |
| SRM 169 |
Electrical-Heating Alloy (77 Ni-20 Cr), October 26, 1953 |
| SRM 170 |
Basic Open-Hearth Steel, 0.04% Carbon, September 25, 1953 |
| SRM 170a |
Basic Open-Hearth Steel, 0.05% Carbon, Provisional, January 26, 1959 |
| SRM 170a |
Basic Open-Hearth Steel, 0.05% Carbon, November 19, 1959 |
| SRM 171 |
Magnesium-base Alloy, November 27, 1951 |
| SRM 172 |
Ferroboron, Provisional, October 23, 1958 |
| SRM 172 |
Ferroboron, July 7, 1959 |
| SRM 173 |
Titanium Base Alloy (6AL-4V), Provisional, April 15, 1957 |
| SRM 173a |
Titanium Base Alloy (6AL-4V), Provisional, April 25, 1966 |
| SRM 173b |
Titanium Base Alloy (6AL-4V), December 17, 1984 |
| SRM 174 |
Titanium Base Alloy (4Al-4Mn), Provisional, July 15, 1957 |
| SRM 176 |
Titanium Base Alloy (5 Al 2.5 Sn), October 1, 1981 |
| SRM 177 |
Portland Cement, November 25, 1957 |
| SRM 184 |
Leaded Tin Bronze, February 26, 1973 |
| SRM 185a |
Potassium Hydrogen Phthalate, September 19, 1952 |
| SRM 185b |
Potassium Hydrogen Phthalate, August 1, 1955 |
| SRM 185c |
Potassium Hydrogen Phthalate, October 1, 1958 |
| SRM 185d |
Potassium Hydrogen Phthalate, April 24, 1967 |
| SRM 185e |
Potassium Hydrogen Phthalate, December 5, 1972 |
| SRM 185f |
Potassium Hydrogen Phthalate, January 31, 1984 |
| SRM 185g |
Potassium Hydrogen Phthalate, February 13, 1991 |
| SRM 186-I-a |
Potassium Dihydrate Phosphate, November 13, 1945 |
| SRM 186-I-b |
Potassium Dihydrate Phosphate, August 5, 1965 |
| SRM 186-I-c |
Potassium Dihydrate Phosphate, September 1, 1970 |
| SRM 186-I-d |
Potassium Dihydrate Phosphate, March 11, 1988 |
| SRM 186-I-e |
Potassium Dihydrate Phosphate, February 12, 1991 |
| SRM 186-I-f |
Potassium Dihydrate Phosphate, November 15, 2001 |
| SRM 186-I-g |
Disodium Hydrogen Phosphate, May 23, 2003 |
| SRM 186-II-a |
Disodium Hydrogen Phosphate, November 13, 1945 |
| SRM 186-II-b |
Disodium Hydrogen Phosphate, August 5, 1965 |
| SRM 186-II-c |
Disodium Hydrogen Phosphate, September 1, 1970 |
| SRM 186-II-d |
Disodium Hydrogen Phosphate, March 11, 1988 |
| SRM 186-II-e |
Disodium Hydrogen Phosphate, February 12, 1991 |
| SRM 186-II-f |
Disodium Hydrogen Phosphate, November 15, 2001 |
| SRM 186-II-g |
Disodium Hydrogen Phosphate, May 23, 2003 |
| SRM 187 |
Borax (pH Standard), January 13, 1947 |
| SRM 187a |
Borax (pH Standard) Purity, January 5, 1960 |
| SRM 187b |
Borax, September 9, 1970 |
| SRM 187c |
Sodium Tetraborate Decahydrate (Borax) pH Standard, May 24, 1993 |
| SRM 187d |
Sodium Tetraborate Decahydrate (Borax) pH Standard, January 6, 2004 |
| SRM 189 |
Potassium Tetroxalate Purity, January 6, 1954 |
| SRM 189 |
Potassium Tetroxalate Purity, January 10, 1964 |
| SRM 189a |
Potassium Tetroxalate Purity, February 13, 1991 |
| SRM 189b |
Potasium Tetroxalate, pH |
| SRM 191 |
Sodium Bicarbonate, July 15, 1968 |
| SRM 191-I-c |
Sodium Bicaronate, December 1, 2003 |
| SRM 191-II-c |
Sodium Carbonate, December 1, 2003 |
| SRM 191a |
Sodium Bicarbonate, July 2, 1993 |
| SRM 191b |
Sodium Bicarbonate, May 5, 1998 |
| SRM 191c |
pH Standards |
| SRM 192 |
Sodium Carbonate, July 15, 1968 |
| SRM 192a |
Sodium Carbonate, July 2, 1993 |
| SRM 192b |
Sodium Carbonate, pH |
| SRM 200 |
Potassium Dihydrogen Phosphate, October 20, 1995 |
| SRM 200a |
Potassium Dihydrogen Phosphate, June 26, 2009 |
| SRM 211a |
Toluene, December 1, 1944 |
| SRM 211c |
Toluene, September 14, 1984 |
| SRM 217 |
2,2,4-Trimethylpentane Material |
| SRM 217a |
2,2,4-Trimethylpentane Material, March 1, 1957 |
| SRM 217b |
2,2,4-Trimethylpentane Material, September 28, 1962 |
| SRM 217c |
2,2,4-Trimethylpentane Material, Septmber 14, 1984 |
| SRM 218 |
Methycyclohexane |
| SRM 218a |
Methycyclohexane Material |
| SRM 276 |
Tungsten Carbide, April 25, 1974 |
| SRM 276a |
Tungsten Carbide, May 30, 1980 |
| SRM 276b |
Tungsten Carbide, June 2, 1994 |
| SRM 278 |
Obsidian Rock, August 19, 1981 |
| SRM 291 |
Cr-Mo Steel (ASTM A-213), Preprint, March 27, 1975 |
| SRM 300 |
Toluidine-Red-Toner, May 6, 1944 |
| SRM 301 |
Yellow Ocher, August 17, 1944 |
| SRM 302 |
Raw Sienna, September 8, 1944 |
| SRM 303 |
Burnt Sienna, October 10, 1944 |
| SRM 304 |
Raw Amber, October 10, 1944 |
| SRM 305 |
Burnt Amber, October 11, 1944 |
| SRM 306 |
Venetian Red, October 25, 1944 |
| SRM 307 |
Metallic Brown, November 3, 1944 |
| SRM 308 |
Indian Red, November 4, 1944 |
| SRM 309 |
Mineral Red, November 3, 1944 |
| SRM 310 |
Bright Red Oxide, November 4, 1944 |
| SRM 311 |
Carbon Black (High Color), November 7, 1944 |
| SRM 312 |
Carbon Black (All-Purpose), November 7, 1944 |
| SRM 313 |
Black Iron Oxide, August 28, 1945 |
| SRM 314 |
Yellow Iron Oxide, Light-Lemon, August 28, 1945 |
| SRM 315 |
Yellow Iron Oxide, Lemon, August 28, 1945 |
| SRM 316 |
Yellow Iron Oxide, Orange, August 28, 1945 |
| SRM 317 |
Yellow Iron Oxide, Dark Orange, August 28, 1945 |
| SRM 318 |
Lampblack, August 28, 1945 |
| SRM 319 |
Primrose Chrome Yellow, November 6, 1945 |
| SRM 320 |
Lemon Chrome Yellow, November 6, 1945 |
| SRM 321 |
Medium Chrome Yellow, November 6, 1945 |
| SRM 322 |
Light Chrome Orange, November 6, 1945 |
| SRM 323 |
Dark Chrome Orange, November 6, 1945 |
| SRM 324 |
Ultramarine Blue, March 15, 1946 |
| SRM 325 |
Iron-Blue, March 15, 1946 |
| SRM 326 |
Light Chrome Green |
| SRM 327 |
Medium Chrome Green, June 24, 1946 |
| SRM 328 |
Dark Chrome Green, June 24, 1946 |
| SRM 330 |
Copper Ore Mill Heads |
| SRM 332 |
Copper Concentrate, June 26, 1977 |
| SRM 333 |
Molybdenum Concentrate, January 20, 1977 |
| SRM 335 |
Basic Open Hearth Steel, 0.1% Carbon, April 7, 1966 |
| SRM 336 |
Cr-V Steel, 0.6 C (Carbon Only), June 19, 1973 |
| SRM 336 |
Cr-V Steel, 0.6 C (Carbon Only), January 26, 1979 |
| SRM 337 |
Basic Open-Hearth Steel, 1.1% Carbon, August 16, 1966 |
| SRM 337a |
Basic Open-Hearth Steel, 1% Carbon, April 8, 1985 |
| SRM 340 |
Ferroniobium, November 9, 1970 |
| SRM 341 |
Ductile Iron, April 6, 1961 |
| SRM 342 |
Nodular Cast Iron, Provisional, June 6, 1961 |
| SRM 342 |
Nodular Cast Iron, January 5, 1962 |
| SRM 343 |
Stainless Steel, Provisional, February 28, 1962 |
| SRM 343 |
Stainless Steel, May 28, 1962 |
| SRM 345 |
16-Chromium-4 Nickel Steel, Provisional, January 17, 1963 |
| SRM 345 |
16-Chromium-4 Nickel Steel, January 23, 1964 |
| SRM 346 |
Valve Steel, July 14, 1965 |
| SRM 348 |
High Temperature Alloy, October 1, 1981 |
| SRM 349 |
Waspaloy, September 2, 1981 |
| SRM 350 |
Benzoic Acid, April 15, 1958 |
| SRM 350a |
Benzoic Acid, March 14, 1995 |
| SRM 351 |
Sodium Carbonate |
| SRM 352 |
Unalloyed Titanium for Hydrogen (0.003%), August 7, 1961 |
| SRM 352a |
Unalloyed Titanium for Hydrogen (0.003%), June 16, 1980 |
| SRM 352b |
Unalloyed Titanium for Hydrogen (0.003%), August 22, 1983 |
| SRM 352c |
Unalloyed Titanium for Hydrogen (0.003%), June 14, 1990 |
| SRM 353 |
Unalloyed Titanium for Hydrogen (0.01 %), August 7, 1961 |
| SRM 354 |
Unalloyed Titanium for Hydrogen (0.02%), August 7, 1961 |
| SRM 355 |
Oxygen and Titanium Base Materials (By Vacuum Inert Gas Fusion Methods), September 8, 1966 |
| SRM 356 |
Oxygen and Titanium Base Materials (By Vacuum Inert Gas Fusion Methods), September 8, 1966 |
| SRM 357 |
Gastrometric Standard for Unalloyed Zirconium, June 16, 1980 |
| SRM 358 |
Gastometric Standard for Unalloyed Zirconium, June 16, 1980 |
| SRM 360 |
Zircaloy-2, November 19, 1962 |
| SRM 360a |
Zircaloy-2, June 30, 1967 |
| SRM 362 |
LA Steel (AISI 94B17) (modified), June 1, 1989 |
| SRM 365 |
Electrolytic Iron, June 12, 1989 |
| SRM 367 |
Stainless Steel (AISI 446), March 15, 1995 |
| SRM 368 |
Steel (AISI 1211), January 1, 1978 |
| SRMs 370-387 |
Standard Materials for Rubber Compounding |
| SRM 385b |
Natural Rubber, August 15, 1967 |
| SRM 386f |
Styrene Butadiene Rubber (Type 1500), October 15, 1965 |
| SRM 386g |
Styrene Butadiene Rubber (Type 1500), October 10, 1969 |
| SRM 386h |
Styrene Butadiene Rubber (Type 1500), March 10, 1975 |
| SRM 386j |
Styrene Butadiene Rubber (Type 1500), January 2, 1985 |
| SRM 386k |
Styrene Butadiene Rubber (Type 1500), October 5, 1992 |
| SRM 388c |
Butyl Rubber, March 1, 1965 |
| SRM 388d |
Butyl Rubber, April 17, 1967 |
| SRM 388e |
Butyl Rubber, February 13, 1969 |
| SRM 388f |
Butyl Rubber, April 7, 1972 |
| SRM 388i |
Butyl Rubber, January 2, 1978 |
| SRM 388j |
Butyl Rubber |
| SRM 388k |
Isobutylene |
| SRM 388l |
Isobutylene |
| SRM 388m |
Isobutylene |
| SRM 388n |
Isobutylene |
| SRM 388p |
Isobutylene |
| SRM 389 |
Styrene Butadiene Rubber, June 2, 1966 |
| SRM 390 |
Butyl Rubber (Standard for Mooney Viscosity), April 12, 1967 |
| SRM 391 |
Acrylonitrile-Butadiene Rubber, February 14, 1969 |
| SRM 393 |
Unalloyed Copper (CU 0), September 16, 1980 |
| SRM 394 |
Unalloyed Copper (CU 1), April 10, 1986 |
| SRM 401 to 430 |
Spectrographic Steel Standards, May 5, 1965 |
| SRM 403a, 407a, 409 |
Spectrographic Steel Standards, Provisional, July 29, 1953 |
| SRM 405a |
Spectrographic Standard Samples Medium Manganese Steel, November 15, 1951 |
| SRM 409a |
Spectrographic Steel Standard, Provisional, August 15, 1952 |
| SRM 425 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 426 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 427 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 428 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 429 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 430 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 436 to 441 |
Spectrographic Tool Steel Standards, September 22, 1959 |
| SRM 442 |
Spectrographic Stainless Steel Standards (Group I), October 25, 1965 |
| SRM 443 |
Spectrographic Stainless Steel Standards (Group I), October 25, 1965 |
| SRM 444 |
Spectrographic Stainless Steel Standards (Group I), October 25, 1965 |
| SRM 445 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 446 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 447 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 448 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 448 |
Spectrographic Stainless Steel Standards (Group II), October 6, 1983 |
| SRM 449 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 450 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 461 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981 |
| SRM 462 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981 |
| SRM 463 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981 |
| SRM 464 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981 |
| SRM 465 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981 |
| SRM 466 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981 |
| SRM 467 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981 |
| SRM 468 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981 |
| SRM 469 |
Scanning Electronic Microscope Resolution Test Specimen (Aluminum Tungsten Dendrites), January 6, 1981 |
| SRM 470 |
Mineral Glasses for Microanalysis, October 30, 1981 |
| SRM 471 |
Portland Cement, June 3, 1947 |
| SRM 473 |
Optical Microscope Linewidth Measurement Standard, January 30, 1997 |
| SRM 474 |
Optical Microscope Linewidth Measurement Standard, August 27, 1981 |
| SRM 475 |
Optical Microscope Linewidth Measurement Standard, April 21, 1981 |
| SRM 475 |
Optical Microscope Linewidth Measurement Standard, January 29, 1992 |
| SRM 476 |
Optical Microscope Linewidth Measurement Standard, September 7, 1990 |
| SRM 477 |
Glass Flourescence Source, February 23, 1983 |
| SRM 478 |
Microprobe Standard Cartridge - Brass, February 28, 1974 |
| SRM 479 |
Fe-Cr-Ni Alloy Microprobe Standard, October 16, 1972 |
| SRM 479a |
Fe-Cr-Ni Alloy Microprobe Standard, November 1, 1980 |
| SRM 483 |
Fe-3Si Alloy Microprobe Standard, June 11, 1971 |
| SRM 484 |
Scanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), February 1, 1977 |
| SRM 484a |
Scanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), December 5, 1978 |
| SRM 484b |
Scanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), November 26, 1980 |
| SRM 484d |
Scanning Electron Microscope Magnification Standard, July 22, 1985 |
| SRM 484e |
Scanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), August 30, 1988 |
| SRM 484f |
Scanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), March 24, 1992 |
| SRM 484g |
Scanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), September 10, 1996 |
| SRM 485 |
Austenite in Ferrite, August 23, 1972 |
| SRM 486 |
15 % Austenite in Ferrite, March 6, 1981 |
| SRM 487 |
30 % Austenite in Ferrite, May 14, 1982 |
| SRM 488 |
2 1/2 % Austenite in Ferrite, April 12, 1993 |
| SRM 493 |
Speroidized Iron Carbide (Fe3C) in Ferrite, March 7, 1985 |
| SRM 592 |
Hydrocarbon Blend Number 1, April 1, 1961 |
| SRM 593 |
Hydrocarbon Blend Number 2, April 1, 1961 |
| SRM 594 |
Hydrocarbon Blend Number 3, April 1, 1961 |
| SRM 595 |
Hydrocarbon Blend Number 4, April 1, 1961 |
| SRM 596 |
Hydrocarbon Blend Number 5, April 1, 1961 |
| SRM 597 |
Hydrocarbon Blend Number 6, April 1, 1961 |
| SRM 598 |
Hydrocarbon Blend Number 7, April 1, 1961 |
| SRM 599 |
Hydrocarbon Blend Number 8, April 1, 1961 |
| SRM 633 |
639 Portland Cements, February 1 ,1975 |
| SRM 633 |
Portland Cement (Cap Color is Red), December 15, 1983 |
| SRM 634 |
Portland Cement (Cap Color is Gold, December 15, 1983 |
| SRM 635 |
Portland Cement (Cap Color is Blue), December 15, 1983 |
| SRM 636 |
Portland Cement (Cap Color is Yellow), February 1 ,1975 |
| SRM 637 |
Portland Cement Cap Color is Pink, December 15, 1983 |
| SRM 638 |
Portland Cement (Cap Color is Green), February 1 ,1975 |
| SRM 639 |
Portland Cement (Cap Color is Clear), December 15, 1983 |
| SRM 640 |
Silicon Powder Lattice Parameter (X-Ray Diffraction Standard), August 7, 1974 |
| SRM 640a |
Silicon Powder 20/d-Spacing Standard for X-Ray Diffraction, February 19, 1982 |
| SRM 640b |
Silicon Powder 20/d-Spacing Standard for X-Ray Diffraction, January 14, 1987 |
| SRM 640c |
Silicon Powder Line Position and Line Shape Std for Powder Diffraction, September 13, 2000 |
| SRM 644 |
Spectroscopic Titanium Base Standards, January 26, 1960 |
| SRM 645 |
Spectroscopic Titanium Base Standards, January 26, 1960 |
| SRM 646 |
Spectroscopic Titanium Base Standards, January 26, 1960 |
| SRM 652 |
Unalloyed Titanium C, November 18, 1985 |
| SRM 653 |
Titanium Alloy, 6 Aluminum 4 Vanadium, Provisional, May 14, 1959 |
| SRM 654 |
Titanium Alloy, 6 Aluminum 4 Vanadium, Provisional, May 14, 1959 |
| SRM 654a |
Titanium Alloy, 6 Aluminum 4 Vanadium, October 15, 1981 |
| SRM 655 |
Titanium Alloy, 6 Aluminum 4 Vanadium, Provisional, May 14, 1959 |
| SRM 660 |
Line Profile, LaB6 (XRD), June 1, 1989 |
| SRM 660a |
Line Profile LaB6, September 13, 2000 |
| SRM 662 |
AISI 94B17 Steel (Modified), September 15, 1981 |
| SRM 664 |
LA Steel, High Carbon, October 1, 1981 |
| SRM 674 |
X-Ray Powder Diffraction Intensity Set, June 1, 1983 |
| SRM 674a |
X-Ray Powder Diffraction Intensity Set, January 15, 1989 |
| SRM 680 |
High-Purity and Doped Platinum, Provisional, December 28, 1967 |
| SRM 680a |
High-Purity Platinum, July 19, 1995 |
| SRM 680a-L2 |
High Purity Platinum, July 19, 1995 |
| SRM 681 |
High-Purity and Doped Platinum, Provisional, December 28, 1967 |
| SRM 682 |
High-Purity Zinc, July 9, 1968 |
| SRM 683 |
Zinc Metal, Provisional, July 9, 1968 |
| SRM 683 |
Zinc Metal, October 1, 1981 |
| SRM 685 |
High-Purity Gold, October 1, 1981 |
| SRM 689 |
Ferrochromium Silicon, February 24, 1982 |
| SRM 690 |
Ire Ore Concentrate (Canada), October 24, 1978 |
| SRM 691 |
Reduced Iron Oxide, April 12, 1982 |
| SRM 692 |
Ire Ore, (Labrador), October 24, 1978 |
| SRM 693 |
Ire Ore, (Nimba), October 24, 1978 |
| SRM 694 |
Western Phosphate Rock, June 21, 1984 |
| SRM 696 |
Bauxite (Surinam), August 24, 1979 |
| SRM 698 |
Bauxite (Jamaican), August 24, 1979 |
| SRM 699 |
Alumina (Reduction Grade), October 17, 2002 |
| SRM 700 |
Standard Light Sensitive, June 1, 1963 |
| SRM 701b |
Booklet of Faded Strips of Light-Sensitive Paper, April 24, 1967 |
| SRM 701c |
Booklet of Faded Strips of Light-Sensitive Paper, October 1, 1971 |
| SRM 701d |
Booklet of Fades Strips of Light-Sensitive Paper, January 15, 1977 |
| SRM 702 |
Light-Sensitive Plastic Chip 0.124 inch, November 1, 1966 |
| SRM 703 |
Light Sensitive Plastic Chip 0.060 inch, November 1, 1966 |
| SRM 704 |
Internal Tearing Resistance of Paper, November 1, 1963 |
| SRM 704a |
Internal Tearing Resistance of Paper |
| SRM 705 |
Polystyrene (Narrow Molecular Weight Distribution), February 1, 1963 |
| SRM 705 |
Polystyrene (Narrow Molecular Weight Distribution), November 6, 1969 |
| SRM 706 |
Polystyrene (Broad Molecular Weight Distribution), April 17, 1995 |
| SRM 707 |
Water Vapor Permeance, January 17, 1972 |
| SRM 708 |
Lead Silica Glass and Borosilicate Glass, September 15, 1973 |
| SRM 709 |
Extra Dense Lead Glass, Preprint, December 13, 1972 |
| SRM 710 |
Soda-Lime-Silica Glass, June 29, 1962 |
| SRM 711 |
Lead Silica Glass, July 1, 1964 |
| SRM 712, 713, 714 |
Softening, Annealing and Strain Points, October 19, 1966 |
| SRM 717a |
Borosilicate Glass, August 7, 1995 |
| SRM 718 |
Polycrystalline Alumina Elasticity Standard, April 28, 1972 |
| SRM 722 |
Metals in Heavy Oil |
| SRM 723 |
2 Amino-2-(hydroxymethyl)-1,3-propanediol{tris(Hydroxymethyl)aminomethane] (HOCH2)3CNH2 Basimetric, July 14, 1970 |
| SRM 723a |
2 Amino-2-(hydroxymethyl)-1,3-propanediol{tris(Hydroxymethyl)aminomethane] (HOCH2)3CNH2 Basimetric, April 20, 1981 |
| SRM 723b |
2-Amino-2-(hydroxymethyl)-1,3-propanediol [tris(Hydroxymethyl)aminomethane] (HOCH2)3CNH2 Basimetric, April 12, 1993 |
| SRM 723c |
2-Amino-2-(hydroxymethyl)-1,3-propanediol [tris(Hydroxymethyl)aminomethane] (HOCH2)3CNH2 Basimetric,January 30, 1998 |
| SRM 723d |
Tris Acidimetric, October 3, 2011 |
| SRM 724 |
Tris(hydroxymethyl) aminomethane, (HOCHN2)3CNH2 for Solution Calorimetry, April 14, 1972 |
| SRM 724a |
Tris(hydroxymethyl) aminomethane, (HOCHN2)3CNH2 for Solution Calorimetry, September 24, 1973 |
| SRM 725 |
Isomer Shift of Iron Compounds, April 6, 1966 |
| SRM 727 |
Rubidium Chloride Intermediate Purity, Provisional, January 30, 1967 |
| SRM 728 |
Intermediate Purity Zinc, October 1, 1981 |
| SRM 728 |
Intermediate Purity Zinc, November 16, 1987 |
| SRM 730 |
Thermal Conductivity Tungsten, May 18, 1976 |
| SRM 731 |
Borosilicate Glass Thermal Expanison, July 31, 1972 |
| SRM 732 |
Single Crystal Sapphire Thermal Expansion, October 3, 1977 |
| SRM 733 |
Silver-28 Atomic Percent Gold Thermocouple Wire, December 30, 1971 |
| SRM 734 |
Thermal Conductivity Electrolytic Iron, April 29, 1975 |
| SRM 735 |
Thermal Conductivity Austenitic Stainless Steel, March 5, 1975 |
| SRM 736 |
Copper Thermal Expansion, November 19, 1969 |
| SRM 737 |
Tungsten Thermal Expansion, May 19, 1976 |
| SRM 738 |
Stainless Steel (AISI) Thermal Expansion, November 17, 1986 |
| SRM 739 |
Fused-Silica Thermal Expansion, December 27, 1991 |
| SRM 740 |
Zinc Freezing Point on the Internal Practical Temperature Scale (1948) 419.58 °C, August 19, 1966 |
| SRM 740 |
Zinc Freezing Point on the Internal Practical Temperature Scale (1968) 419.58 °C, February 19, 1970 |
| SRM 741 |
Tin (Primary Freezing Point Standard 231.928 °C), June 26, 1990 |
| SRM 742 |
Aluminum Oxide Pyrometric Standard, June 5, 1970 |
| SRM 743 |
Mercury, April 22, 1976 |
| SRM 745 |
Gold-Vapor Pressure, August 27, 1990 |
| SRM 746 |
Cadmium-Vapor Pressure, August 11, 1970 |
| SRM 748 |
Silver-Vapor Pressure, February 1, 1991 |
| SRM 755 |
Quartz (SiO2), Provisional, November 6, 1969 |
| SRM 756 |
Potassium Nitrate, Provisional, November 6, 1969 |
| SRM 758 |
DTA Temperature Standards (125 435 °C), June 11, 1971 |
| SRM 759 |
DTA Temperature Standards (295 672 °C), June 11, 1971 |
| SRM 760 |
DTA Temperature Standards (570 940 °C), June 11, 1971 |
| SRM 763 |
Magnetic Gram Susceptibility Aluminum, April 5, 1973 |
| SRM 764 |
Magnetic Gram Susceptibility Platinum, April 5, 1973 |
| SRM 765 |
Magnetic Gram Susceptibility Palladium, April 5, 1973 |
| SRM 766 |
Magnetic Gram Susceptibility Manganese Fluoride, April 5, 1973 |
| SRM 767 |
Superconductive Thermometric Fixed Point Device, June 5, 1974 |
| SRM 767a |
Superconductive Thermometric Fixed Point Device, February 14, 1992 |
| SRM 768 |
Superconductive Thermometric Fixed Point Device (0.015 K 0.208 K), December 13, 1978 |
| SRM 769 |
Electrical Residual Resistivity Ratio, November 15, 1982 |
| SRM 772 |
Magnetic Moment Standard Nickel Sphere, October 18, 1978 |
| SRM 772 |
Magnetic Moment Standard Nickel Sphere, August 19, 1999 |
| SRM 772 |
Magnetic Moment Standard Nickel Sphere, September 3, 1999 |
| SRM 781 |
Molybdenum Heat Capacity, April 1, 1977 |
| SRM 785 |
Radium Content of Standard Rock Sample (Dunite) |
| SRM 787 |
Radium Content of Standard Rock Sample (Berea Sandstone) |
| SRM 789 |
Radium Content of Standard Rock Sample Chelmsford Granite |
| SRM 791 |
Radium Content of Standard Rock Sample (Graniteville Granite) |
| SRM 797 |
Electrical Resistivity - Electrolytic Iron, April 29, 1975 |
| SRM 798 |
Electrical Resistivity - Austenitic Stainless Steel, March 4, 1975 |
| SRM 799 |
Electrical Resistivity - Tungsten, February 27, 1976 |
| SRM 801 to 830 |
Spectrographic Steel Standards, May 5, 1965 |
| SRM 803a, 807a, 809 |
Spectrographic Steel Standards, Provisional, July 23, 1953 |
| SRM 805a |
Spectrographic Standard Samples Medium Maganese Steel, November 15, 1951 |
| SRM 825 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 826 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 827 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 828 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 829 |
Spectrographic Boron Steel Standards, August 2, 1951 |
| SRM 830 |
Spectrographic Steel Standards, August 2, 1951 |
| SRM 836 to 841 |
Spectrographic Tool Steel Standards, September 22, 1959 |
| SRM 845 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 846 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 847 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 848 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 849 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 850 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM 853 |
Aluminum Alloy 3004, May 8, 1985 |
| SRM 854 |
Aluminum Alloy 5182, May 8, 1985 |
| SRM 855 |
Aluminum Casting Alloy 356, January 8, 1980 |
| SRM 856 |
Aluminum Casting Alloy 380, January 8, 1980 |
| SRM 858 |
Aluminum Alloy 6011, June 6, 1980 |
| SRM 858 |
Aluminum Alloy 6011, March 15, 1995 |
| SRM 859 |
Aluminum Alloy 7075, June 6, 1980 |
| SRM 868 |
High-Temperatuare Alloy (Fe-Ni-Co), May 18, 1987 |
| SRM 869 |
Column Selectivity Test Mixture for Liquid Chromatography (Polycyclic Aromatic Hydrocarbons), March 28,1990 |
| SRM 869a |
Column Selectivity Test Mixture for Liquid Chromatography (Polycyclic Aromatic Hydrocarbons), October 15, 2007 |
| SRM 877 |
LC Chiral Selectivity |
| SRM 886 |
Refractory Gold Ore, April 12, 1993 |
| SRM 900 |
Antiepilepsy Drug Level Assay Standard, November 17, 1976 |
| SRM 909 |
Human Serum, September 15, 1980 |
| SRM 909a |
Human Serum, February 24, 1993 |
| SRM 909b |
Human Serum, March 14, 1996 |
| SRM 909b |
Human Serum, November 19, 2003 |
| SRM 910 |
Sodium Pyruvate, May 15, 1981 |
| SRM 911 |
Cholesterol, Provisional, October 20, 1967 |
| SRM 911a |
Cholesterol, March 5, 1980 |
| SRM 911b |
Cholesterol, April 15, 1994 |
| SRM 912 |
Urea, September 24, 1968 |
| SRM 913 |
Uric Acid, September 24, 1968 |
| SRM 914 |
Creatinine, September 24, 1968 |
| SRM 915 |
Calcium Carbonate, March 4, 1969 |
| SRM 915a |
Calcium Carbonate, January 13, 1995 |
| SRM 916 |
Bilirubin, March 10, 1971 |
| SRM 917 |
D-Glucose (Dextrose), November 18, 1970 |
| SRM 917a |
D-Glucose (Dextrose), August 31, 1989 |
| SRM 917b |
D-Glucose (Dextrose), January 6, 2006 |
| SRM 918 |
Potassium Chloride (Clinical Standard), January 22, 1971 |
| SRM 918a |
Potassium Chloride (Clinical Standard), April 17, 1995 |
| SRM 919 |
Sodium Chloride (Clinical Standard), August 6, 1973 |
| SRM 919a |
Sodium Chloride (Clinical Standard), April 23, 2004 |
| SRM 920 |
D-Mannitol, January 17, 1972 |
| SRM 921 |
Cortisol (Hydrocortisone), Preprint, February 15, 1973 |
| SRM 922 |
Tris(hydroxymethyl)aminomethane ph Standards, May 24, 1993 |
| SRM 923 |
Tris(hydroxymethyl)aminomethane hydrochloride ph Standards, May 24, 1993 |
| SRM 924 |
Lithium Carbonate, November 23, 1973 |
| SRM 924a |
Lithium Carbonate, June 12, 1995 |
| SRM 925 |
4-Hydroxy-3-Methoxy-DL-mandelic-Acid (VMA), Preprint, May 24, 1973 |
| SRM 926 |
Bovine Serum Albumin (Total Protein Standard), March 10, 1977 |
| SRM 927 |
Bovine Serum Albumin (7% Solution) (Total Protein Standard), December 31, 1979 |
| SRM 927a |
Bovine Serum Albumin (7% Solution) (Total Protein Standard), January 13, 1993 |
| SRM 927b |
Bovine Serum Albumin (7% Solution) (Total Protein Standard), June 6, 1995 |
| SRM 927c |
Bovine Serum Albumin (7% Solution) (Total Protein Standard), January 14, 2004 |
| SRM 928 |
Lead Nitrate (Clinical Standard), Preprint, November 1, 1975 |
| SRM 929 |
Magnesium Gluconate Dihydrate, April 27, 1979 |
| SRM 929 |
Magnesium Gluconate Dihydrate, March 2, 1993 |
| SRM 930 |
Glass Filters for Spectrophotometry, February 24, 1971 |
| SRM 930a |
Glass Filters for Spectrophotmetry, May 15, 1973 |
| SRM 930b |
Glass Filters for Spectrophotometry, February 24, 1971 |
| SRM 930b |
Glass Filters for Spectrophotometry, February 24, 1975 |
| SRM 930c |
Glass Filters for Spectrophotometry, May 29, 1976 |
| SRM 930d |
Glass Filters for Spectrophotometry, October 18, 1993 |
| SRM 930e |
Glass Filters for Spectrophotometry, May 12, 1998 |
| SRM 931 |
Liquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry, Preliminary |
| SRM 931 |
Liquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry |
| SRM 931a |
Liquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry |
| SRM 931b |
Liquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry |
| SRM 931c |
Liquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry |
| SRM 931d |
Liquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry |
| SRM 931e |
Liquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry |
| SRM 931f |
Liquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry, February 4, 1999 |
| SRM 932 |
Quartz Cuvette for Spectrophotometry, December 2, 1980 |
| SRM 933 |
Clinical Laboratory Themometer |
| SRM 934 |
Clinical Laboratoray Thermometer, June 18, 1990 |
| SRM 935 |
Crystalline Potassium Dichromate for Use as an Ultraviolet Absorbance Standard |
| SRM 935a |
Crystalline Potassium Dichromate for Use as a Ultraviolet Absorbance Standard, April 25, 1988 |
| SRM 936 |
Quinine Sulfate Dihydrate, April 1, 1979 |
| SRM 937 |
Iron Metal (Clinical Standard), June 9, 1978 |
| SRM 938 |
4-Nitrophenol, May 15, 1981 |
| SRM 940 |
Instruction for Phenol Thermometric Cells |
| SRM 941 |
Naphthalene Thermometric Cells |
| SRM 942 |
Phthalic Anhydride Thermometric Cells |
| SRM 943 |
Benzoic Acid Thermometric Standard |
| SRM 944 |
Plutonium Sulfate Tetrahydrate |
| SRM 945 |
Plutonium Metal Standard Matrix Material, Provisional, April 6, 1971 |
| SRM 946 |
Plutonium Isotopic Standard, August 19, 1982 |
| SRM 947 |
Plutonium Isotopic Standard, August 19, 1982 |
| SRM 948 |
Plutonium Isotopic Standard, August 7, 1964 |
| SRM 948 |
Plutonium Isotopic Standard, August 19, 1982 |
| SRM 949a |
Plutonium Metal |
| SRM 949b |
Plutonium Metal |
| SRM 949c |
Plutonium Metal |
| SRM 949d |
Plutonium Metal, Provisional, January 23, 1973 |
| SMR 949e |
Plutonium Metal |
| SRM 949f |
Plutonium Metal, May 11, 1982 |
| SRM 949f |
Plutonium Metal, September 13, 1982 |
| SRM 950 |
Uranium Oxide (U3O8) |
| SRM 950a |
Uranium Oxide (U3O8), December 1, 1961 |
| SRM 950b |
Uranium Oxide (U3O8) |
| SRM 951 |
Boric Acid, February 28, 1969 |
| SRM 952 |
Enriched Boric Acid, February 28, 1969 |
| SRM 953 |
Neutron Density Monitor Wire, Provisional, December 20, 1968 |
| SRM 955 |
Lead in Blood |
| SRM 955a |
Lead in Blood, December 7, 1994 |
| SRM 955b |
Lead in Blood, April 10, 1998 |
| SRM 955b |
Lead in Blood, January 21, 2004 |
| SRM 956 |
Electrolytes in Human Serum for Ion Selective Electrodes |
| SRM 956a |
Electrolytes in Human Serum for Ion Selective Electrodes, July 10, 2003 |
| SRM 960 |
Uranium Metal, May 12, 1972 |
| SRM 961 |
Fission Track Glass Standard (Wafers, 12 mm diameter and 3 mm thick), June 11, 1974 |
| SRM 962 |
Fission Track Glass (Wafers, 12 mm diameter and 3 mm thick) |
| SRM 962a |
Fission Track Glass (Wafers, 12 mm diameter and 2 mm thick) |
| SRM 963 |
Fission Track Glass (Wafers, 12 mm diameter and 3 mm thick) |
| SRM 964 |
Fission Track Glass (Wafers, 12 mm diameter and 3 mm thick |
| SRM 965 |
Glucose in Frozen Human Serum, December 18, 1996 |
| SRM 965a |
Glucose in Frozen Human Serum |
| SRM 966 |
Toxic Metals in Bovine Blood, January 21, 2004 |
| SRM 967 |
Creatinine in Frozen Human Serum |
| SRM 968 |
Fat Soluble Vitamins in Human Serum, April 21, 1989 |
| SRM 968a |
Fat Soluble Vitamins in Human Serum, November 17, 1993 |
| SRM 968b |
Fat Soluble Vitamins in Human Serum, August 7, 1995 |
| SRM 968c |
Fat Soluble Vitamins in Human Serum, December 28, 1999 |
| SRM 968d |
Fat Soluble Viatamins, Carotenoids and Cholesterol in Human Serum |
| SRM 969 |
Uranium Isotopic Standard Reference Material for Gamma Spectrometry Measurements, October 15, 1985 |
| SRM 970 |
Ascorbic Acid in Frozen Human Serum, October 18, 2004 |
| SRM 975 |
Isotopic Standard for Chlorine |
| SRM 976 |
Isotopic Standard for Copper, January 26, 1994 |
| SRM 978 |
Isotopic Standard for Silver, March 24, 1965 |
| SRM 981 |
Common Lead Isotopic Standard, June 1, 1968 |
| SRM 981 |
Common Lead Isotopic Standard April 10, 1973 |
| SRM 982 |
Equal-Atom Isotopic Standard, March 25, 1991 |
| SRM 983 |
Radiogenic Lead Isotopic Standard, March 25, 1991 |
| SRM 984 |
Rubidium Chloride, Provisional, July 27, 1970 |
| SRM 985 |
Assay Isotopic Standard for Potassium, August 31, 1979 |
| SRM 987 |
Strontium Carbonate, May 1, 2000 |
| SRM 988 |
Strontium-84 Spike Assay and Isotopic Solution Standard, May 21, 1973 |
| SRM 989 |
Assay Isotopic Standard for Rhenium, February 19, 1974 |
| SRM 990 |
Assay Isotopic Standard for Silicon, August 1, 1975 |
| SRM 991 |
Lead-206 Spike Assay and Isotopic Solution Standard, Preprint, February 5, 1976 |
| SRM 993 |
Uranium-235 Spike Assay and Isotopic Standard |
| SRM 995 |
Uranium-233 Spike Assay and Isotopic Standard |
| SRM 996 |
Plutonium-244 Spike Assay and Isotopic Standard |
| SRM 997 |
Isotopic Standard for Thallium, July 23, 1986 |
| SRM 999 |
Potassium Chloride (Primary Chemical) |
| SRM 999a |
Potassium Chloride (Primary Chemical) |
| SRM 1001 |
X-ray Film Step Tablet, December 30, 2005 |
| SRM 1002a |
Surface Flammability Standard, October 30, 1964 |
| SRM 1002b |
Surface Flammability Standard, March 1, 1968 |
| SRM 1002c |
Surface Flammability Standard, December 13, 1978 |
| SRM 1003 |
Calibrated Glass Beads, Provisional, July 1, 1965 |
| SRM 1003a |
Calibrated Glass Beads, September 21, 1984 |
| SRM 1003a |
Calibrated Glass Beads, June 1, 1990 |
| SRM 1003b |
Calibrated Glass Beads |
| SRM 1004 |
Calibrated Glass Beads, April 3, 1972 |
| SRM 1004a |
Calibrated Glass Beads |
| SRM 1006 |
Smoke Density Chamber Standard Non-flaming Exposure Condition |
| SRM 1006a |
Smoke Density Chamber Standard Non-flaming Exposure Condition |
| SRM 1006b |
Smoke Denisty Chamber Standard Non-flaming Exposure Condition |
| SRM 1006c |
Smoke Density Chamber Standard Non-flaming Exposure Condition |
| SRM 1006d |
Smoke Density Chamber Standard Non-flaming Exposure Condition, August 27, 1999 |
| SRM 1007 |
Smoke Density Chamber Standard Flaming Exposure Condition, October 4, 1971 |
| SRM 1007a |
Smoke Density Chamber Standard Flaming Exposure Condition, February 27, 1976 |
| SRM 1008 |
Photographic Step Tablets, January 30, 2006 |
| SRM 1008, 1009 |
Photographic Step Tablets, January 23, 1973 |
| SRM 1009 |
Photographic Step Tablet, August 18, 1978 |
| SRM 1010 |
Microcopy Resolution Test Chart |
| SRM 1010a |
Microcopy Resolution Test Chart, June 1, 1990 |
| SRM 1011 |
Portland Cement |
| SRM 1013 |
Portland Cement, Provisional, January 17, 1972 |
| SRM 1014 |
Portland Cement, Provisional, January 17, 1972 |
| SRM 1015 |
Portland Cement |
| SRM 1016 |
Portland Cement |
| SRM 1017 |
Glass Spheres |
| SRM 1017a |
Calibrated Glass Beads |
| SRM 1018 |
Glass Spheres |
| SRM 1018a |
Calibrated Glass Beads |
| SRM 1019 |
Glass Spheres, January 17, 1966 |
| SRM 1019a |
Glass Spheres for Calibrating Test Sieves |
| SRM 1036 |
Low Carbon Silicon Steel |
| SRM 1040 |
Iron and Plain Carbon Steels for Oxygen and Nitrogen |
| SRM 1041 |
Iron and Plain Carbon Steels for Oxygen and Nitrogen |
| SRM 1042 |
Iron and Plain Carbon Steels for Oxygen and Nitrogen |
| SRM 1043 |
Iron and Plain Carbon Steels for Oxygen and Nitrogen |
| SRM 1044 |
Iron and Plain Carbon Steels for Oxygen and Nitrogen |
| SRM 1045 |
Iron and Plain Carbon Steels for Oxygen and Nitrogen |
| SRM 1046 |
Iron and Plain Carbon Steels for Oxygen and Nitrogen |
| SRM 1047 |
Iron and Plain Carbon Steels for Oxygen and Nitrogen |
| SRM 1050 |
Aluminum Cyclohexanebutyrate |
| SRM 1051a |
Barium Cyclohexanebutyrate |
| SRM 1051b |
Barium Cyclohexanebutyrate - July 15, 1968 |
| SRM 1052a |
Bis(1-phenyl-1,3-butanediono)oxovanadium(IV) |
| SRM 1052b |
Bis(1-phenyl-1,3-butanediono)oxovanadium(IV), March 1 ,1968 |
| SRM 1053 |
Cadmium Cyclohexanebutyrate |
| SRM 1054 |
Calcium Cyclohexanebutyrate |
| SRM 1055 |
Cobalt Cyclohexanebutyrate |
| SRM 1055a |
Cobalt Cyclohexanebutyrate |
| SRM 1055b |
Cobalt Cyclohexanebutyrate |
| SRM 1056 |
Cupric Cyclohexanebutyrate |
| SRM 1056a |
Cupric Cylohexanebutyrate |
| SRM 1057 |
Dibutyltin Bis(2-ethylhexanoate) |
| SRM 1057a |
Dibutyltin Bis(2-ethylhexanoate) |
| SRM 1059 |
Lead Cyclohexanebutyrate |
| SRM 1059a |
Lead Cyclohexanebutyrate, April 24, 1964 |
| SRM 1059b |
Lead Cyclohexanebutyrate |
| SRM 1059c |
Lead Cyclohexanebutyrate |
| SRM 1060 |
Lithium Cyclohexanebutyrate |
| SRM 1060a |
Lithium Cyclohexanebutyrate |
| SRM 1061 |
Magnesium Cyclohexanebutyrate |
| SRM 1061a |
Magnesium Cyclohexanebutyrate |
| SRM 1061b |
Magnesium Cyclohexanebutyrate |
| SRM 1061c |
Magnesium Cyclohexanebutyrate |
| SRM 1062 |
Manganous Cyclohexanebutyrate, April 24, 1964 |
| SRM 1062a |
Manganous Cyclohexanebutyrate, April 24, 1964 |
| SRM 1062b |
Manganous Cyclohexanebutyrate |
| SRM 1063 |
Menthyl Borate, April 24, 1964 |
| SRM 1063a |
Menthyl Borate |
| SRM 1064 |
Mercuric Cyclohexanebutyrate, April 24, 1964 |
| SRM 1065a |
Nickel Cyclohexanebutyrate, April 24, 1964 |
| SRM 1065b |
Nickel Cyclohexanebutyrate, November 1, 1967 |
| SRM 1066 |
Octaphenylcyclotetrasiloxane, April 24, 1964 |
| SRM 1066a |
Octaphenylcyclotetrasiloxane, April 23, 1969 |
| SRM 1068 |
Silver Cyclohexanebutyrate, Provisional, October 31, 1960 |
| SRM 1069a |
Sodium Cyclohexanebutyrate, April 24, 1964 |
| SRM 1069b |
Sodium Cyclohexanebutyrate, February 13, 1969 |
| SRM 1070 |
Strontium Cyclohexanebutyrate, April 24, 1964 |
| SRM 1070a |
Strontium Cyclohexanebutyrate, April 24, 1964 |
| SRM 1071 |
Triphenyl Phosphate, April 24, 1964 |
| SRM 1071a |
Triphenyl Phosphate, April 24, 1964 |
| SRM 1071b |
Triphenyl Phosphate |
| SRM 1072 |
Tris(1'-Hydroxyacetophenono)Chromium(III) |
| SRM 1073 |
Zinc Cyclohexanebutyrate, Provisional, October 31, 1960 |
| SRM 1073a |
Zinc Cyclohexanebutyrate, April 24, 1964 |
| SRM 1073b |
Zinc Cylcohexanebutyrate, July 15, 1967 |
| SRM 1074 |
Calcium 2-Ethylhexanoate, July 31, 1961 |
| SRM 1074a |
Calcium 2-Ethylhexanoate |
| SRM 1074b |
Calcium 2-Ethylhexanoate |
| SRM 1075 |
Aluminum 2-Ethylhexanoate |
| SRM 1076 |
Potassium Erucate |
| SRM 1077 |
Silver 2-Ethylhexanoate, April 24, 1964 |
| SRM 1077a |
Silver 2-Ethylhexanoate, February 10, 1968 |
| SRM 1078 |
Tris(1-phenyl1-1,3-butanediono)Chromium(III), April 24, 1964 |
| SRM 1078a |
Tris(1-phenyl1-1,3-butanediono)chromium(III), Provisional, April 26, 1967 |
| SRM 1079 |
Tris(1-phenyl1-1,3-butanediono)iron(III), April 24, 1964 |
| SRM 1079a |
Tris(1-phenyl1-1,3-butanediono)iron(III), January 30, 1967 |
| SRM 1080 |
Bis(1-phenyl1,3-butanediono)copper(II), June 15,1967 |
| SRM 1083 |
Wear-Metals in Lubricating Oil |
| SRM 1084 |
Wear-Metals in Lubricating Oil |
| SRM 1085 |
Wear-Metals in Lubricating Oil |
| SRM 1085a |
Wear Metals in Lubricating Oil |
| SRMs 1086, 1087, 108 |
Hydrogen in Unalloyed Titanium, June 16, 1980 |
| SRM 1090 |
Oxygen in Ferrous Materials |
| SRM 1091 |
Oxygen in Ferrous Materials |
| SRM 1092 |
Oxygen in Ferrous Materials |
| SRM 1093 |
Oxygen in Valve Steel, Provisional, March 4, 1969 |
| SRM 1094 |
Oxygen in Maraging Steel, Provisional, March 4, 1969 |
| SRM 1095 |
AISI 4340 Steel (Gasometric Standard) |
| SRM 1096 |
AISI 94B17 Steel (Modified) (Gasometric Standard), April 21, 1986 |
| SRM 1097 |
Cr-V Steel (Modified), April 21, 1986 |
| SRM 1098 |
High-Carbon Steel (Modified) (Gasometric Standard), April 21, 1986 |
| SRM 1099 |
Electrolytic Iron (Gasometric Standard), April 21, 1986 |
| SRM 1101 |
Optical Emission and X-ray Spectroscopic Analysis |
| SRM 1102 |
Optical Emission and X-ray Spectroscopic Analysis |
| SRM 1103 |
Free-Cutting Brass (Wrought) |
| SRM 1104 |
Free-Cutting Brass, August 13, 1965 |
| SRM 1105 |
Free Cutting-Brass (Cast), Provisional, July 14, 1965 |
| SRM 1106 |
Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981 |
| SRM 1107 |
Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981 |
| SRM 1108 |
Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981 |
| SRM 1109 |
Red Brass, Provisional, July 14, 1965 |
| SRM 1109 |
Red Brass, December 11, 1981 |
| SRM 1112 |
SRM 1112 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional |
| SRM 1113 |
SRM 1113 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional |
| SRM 1113 |
SRM 1113 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM 1114 |
SRM 1114 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM 1114 |
SRM 1114 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional |
| SRM 1114 |
SRM 1112 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM 1115 |
SRM 1115 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM 1116 |
SRM 1116 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM 1117 |
SRM 1117 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM 1118 |
SRM 1118 - Aluminum Brass, Provisional, July 14, 1965 |
| SRM 1118 |
SRM 1118 - Aluminum Brass, December 11, 1981 |
| SRM 1119 |
Aluminum Brass, Provisional, July 14, 1965 |
| SRM 1119 |
Aluminum Brass, December 11, 1981 |
| SRM 1120 |
Aluminum Brass, Provisional, July 14, 1965 |
| SRM 1121, C1121, 11 |
Beryllium Copper Standards, December 11, 1981 |
| SRM 1132 |
Lead Base Bearing Metal, November 18, 1994 |
| SRM 1133 |
Titanium-Base Alloy |
| SRM 1138, 1139 |
Cast Steel Standards, July 13, 1970 |
| SRM 1140,1141, 1142 |
Ductile Iron Standards, February 24, 1970 |
| SRM 1140a, 1141a, 1 |
Ductile Iron Standards, September 15, 1973 |
| SRM 1143, 1144, 114 |
Blast Furnace and White Iron, Provisional, July 31, 1969 |
| SRM 1143a, 1144a |
Blast Furnace Iron Standards, (Chill Cast White), December 1, 1976 |
| SRM 1145 |
White Cast Iron, May 16, 1978 |
| SRM 1145a |
White Cast Iron, June 26, 1987 |
| SRM 1146 |
White Cast Iron, May 16, 1978 |
| SRM 1147a |
White Iron Standard, April 8, 1974 |
| SRM 1150 |
White Cast Iron |
| SRM 1152 |
18 Cr-10 Ni Steel, February 9, 1966 |
| SRM 1154 |
Cr-10 Nickel Steel |
| SRM 1156 |
Maraging Steel, August 26, 1981 |
| SRM 1157 |
Tool Steel (AISI M2), Provisional, November 7, 1972 |
| SRM 1158 |
High Nickel Steel, December 30, 1977 |
| SRM 1159, 1160 |
Electronic and Magnetic Alloy Standards, Provisional, February 18, 1969 |
| SRM 1159, 1160 |
Electronic and Magnetic Alloy Standards, August 4, 1981 |
| SRM 1161 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1162 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1163 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1164 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1165 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1166 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1167 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1168 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1169 |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1169a |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1169b |
Spectrographic Ingot Iron and Low-Alloy Steel Standards |
| SRM 1170 |
Selenium-Bearing Steel |
| SRM 1170a |
Selenium-Bearing Steel |
| SRM 1170b |
Selenium-Bearing Steel |
| SRM 1171 |
Cr 17-Ni 11-Ti 0.3 (AISI 321), July 7, 1971 |
| SRM 1173 |
Ni-Cr-Mo-V Steel, June 9, 1989 |
| SRM 1174 |
White Iron, November 9, 1965 |
| SRM 1174a |
White Iron |
| SRM 1175 |
White Iron |
| SRM 1175a |
White Iron |
| SRM 1176-1183 |
White Cast Iron Standards |
| SRM 1184 -1189 |
High Temperature Alloy Standards |
| SRM 1186 - 1188 |
High Temperature Alloy Standards |
| SRM 1190, 1203, 120 |
High Temperature Alloy Standards |
| SRM 1191-1192 |
High Temperature Alloy Standards |
| SRM 1193, 1194, 119 |
High Temperature Alloy Standards |
| SRM 1197, 1198, 119 |
High Temperature Alloy Standards |
| SRM 1206-2,1207-1,1 |
High Temperature Alloy Standards |
| SRM 1210, 1211 |
Zirconium Metal Standards |
| SRM 1212a |
Zirconium Metal C |
| SRM 1213, 1214, 121 |
Zircaloy-2 Metal Standards |
| SRM 1217 |
Nickel Steel |
| SRM 1222 |
LA Steel, Chromium-Nickel-Molybdenum (AISI 8640), September 13, 1990 |
| SRM 1223 |
Chromium Steel, September 5, 1985 |
| SRM 1224 |
LA Steel, Carbon (AISI 1078), February 24, 1981 |
| SRM 1225 |
LA Steel (AISI 4130), March 16, 1983 |
| SRM 1226 |
LA Steel, December 14, 1982 |
| SRM 1228 |
LA Steel, 0.1 % C, September 28, 1982 |
| SRM 1233 |
Specialty Steel, Valve Steel, February 3, 1986 |
| SRM 1234, 1235, 123 |
Zirconium Metal |
| SRM 1237, 1238, 123 |
Zircaloy-4 Metal |
| SRM 1240 |
Aluminum Alloy 3004 |
| SRM 1240a |
Aluminum Alloy 3004 |
| SRM 1240b |
Aluminum Alloy 3004 |
| SRM 1241 |
Aluminum Alloy |
| SRM 1241a |
Aluminum Alloy |
| SRM 1241b |
Aluminum Alloy |
| SRM 1241c |
Aluminum Alloy, April 4, 2006 |
| SRM 1245 |
Inconel 625, May 5, 1984 |
| SRM 1255 |
Aluminum Casting Alloy 356 |
| SRM 1255a |
Aluminum Casting Alloy 356 |
| SRM 1256 |
Aluminum Casting Alloy 380 |
| SRM 1256a |
Aluminum Casting Alloy 380 |
| SRM 1261 |
Low Alloy AISI 4340 Steel, January 8, 1976 |
| SRM 1261 |
Low Alloy AISI 4340 Steel, February 24, 1981 |
| SRM 1261a |
Low Alloy AISI 4340 Steel, May 18, 1993 |
| SRM 1262 |
Low Alloy AISI 94B17 Steel Modified, February 24, 1981 |
| SRM 1262a |
Low Alloy AISI 94B17 Steel Modified, June 27, 1989 |
| SRM 1263 |
Low Alloy Steel Cr-V Modified, February 24, 1981 |
| SRM 1263a |
Low Alloy Steel Cr-V Modified, February 24, 1981 |
| SRM 1264 |
High Carbon Steel Modified, February 24, 1981 |
| SRM 1264a |
High Carbon Steel Modified, April 7, 2006 |
| SRM 1265 |
Electrolytic Iron, Provisional, July 28, 1970 |
| SRM 1265 |
Electrolytic Iron, February 24, 1981 |
| SRM 1265a |
Electrolytic Iron, February 24, 1981 |
| SRM 1267 |
Stainless Steel (AISI 446), January 19, 1978 |
| SRM 1275 |
Cupro-Nickel (CDA 706) |
| SRM 1276 |
Cupro-Nickel (CDA 715) |
| SRM 1276a |
Cupro-Nickel (CDA 715), June 30, 1989 |
| SRM 1286 |
Low Alloy Steel (HY 80), June 8, 1982 |
| SRM 1321 |
Nonmagnetic Coating on Steel, July 5, 1988 |
| SRM 1322 |
Nonmagnetic Coating on Steel |
| SRM 1323 |
Nonmagnetic Coating on Steel, July 5, 1988 |
| SRM 1331a |
Nickel on Steel |
| SRM 1332a |
Nickel on Steel |
| SRM 1333a |
Nickel on Steel |
| SRM 1334a |
Nickel on Steel |
| SRM 1335a |
Nickel on Steel |
| SRM 1336a |
Nickel on Steel |
| SRM 1337a |
Nickel on Steel |
| SRM 1338a |
Nickel on Steel |
| SRM 1339a |
Nickel on Steel |
| SRM 1357 |
Cu and Cr Coating on Steel, September 11, 1985 |
| SRM 1358 |
Cu and Cr Coating on Steel |
| SRM 1358b |
Cu and Cr Coating on Steel |
| SRM 1359 |
Cu and Cr Coating on Steel, July 5, 1988 |
| SRM 1360 |
Cu and Cr Coating on Steel, July 5, 1988 |
| SRM 1361a |
Cu and Cr Coating on Steel, July 5, 1988 |
| SRM 1361b |
Cu and Cr Coating on Steel, June 18, 1999 |
| SRM 1362a |
Cu and Cr Coating on Steel, July 5, 1988 |
| SRM 1362b |
Cu and Cr Coating on Steel, June 18, 1999 |
| SRM 1363a |
Cu and Cr Coating on Steel, July 5, 1988 |
| SRM 1363b |
Cu and Cr Coating on Steel, June 18, 1988 |
| SRM 1364a |
Cu and Cr Coating on Steel, July 26, 1991 |
| SRM 1364b |
Cu and Cr Coating on Steel, June 18, 1999 |
| SRM 1365a |
Nickel on Steel, May 1, 1984 |
| SRM 1366a |
Nickel on Steel, May 1, 1984 |
| SRM 1367a |
Nickel on Brass, May 1, 1984 |
| SRM 1371 |
Gold on Fe-Ni-Co Alloy, January 11, 1990 |
| SRM 1372 |
Gold on Fe-Ni-Co Alloy, January 11, 1990 |
| SRM 1373 |
Gold on Fe-Ni-Co Alloy, January 11, 1990 |
| SRM 1374 |
Gold on Fe-Ni-Co Alloy, January 1, 1990 |
| SRM 1375 |
Gold on Nickel, January 11, 1990 |
| SRM 1376 |
Gold on Nickel, January 11, 1990 |
| SRM 1376 |
Gold on Nickel, October 18, 1990 |
| SRM 1377 |
Gold on Nickel, January 11, 1990 |
| SRM 1378 |
Gold on Nickel, January 11, 1990 |
| SRM 1379 |
Ultrathin Gold on Nickel, January 11, 1990 |
| SRM 1380 |
Ultrathin Gold on Nickel, January 11, 1990 |
| SRM 1387 |
Gold on NIckel, January 11, 1990 |
| SRM 1398a |
Gold on Fe-Ni-Co Alloy |
| SRM 1399b |
Gold on Nickel |
| SRM 1402-1409 |
Platinum 13 % Rhodium Alloy |
| SRM 1414 |
Lead-Silica Glass |
| SRM 1420-1428 |
Oxidized Kanthal |
| SRM 1440-1447 |
Oxidized Inconel |
| SRM 1450 |
Fibrous Glass Board, May 26, 1978 |
| SRM 1450a |
Fibrous Glass Board |
| SRM 1450b |
Fibrous Glass Board, May 21, 1982 |
| SRM 1451 |
Fibrous Glass Blanket |
| SRM 1460-1466-1462 |
Austenitic Stainless Steels |
| SRM 1465 |
1469 Sintered and Arc-Cast Tungsten |
| SRM 1470 |
Polyester Plastic Film for Gas Transmission, January 2, 1978 |
| SRM 1473 |
Polyethylene Resin |
| SRM 1473a |
Polyethylene Resin |
| SRM 1474 |
Polyethylene Resin |
| SRM 1475 |
Linear Polyethylene, December 2, 1971 |
| SRM 1475a |
Linear Polyethylene, December 28, 1993 |
| SRM 1476 |
Branched Polyethylene |
| SRM 1479 |
Polystyrene, March 27, 1981 |
| SRM 1480 |
Polyurethane, August 24, 1992 |
| SRM 1482 |
Linear Polyethylene |
| SRM 1483 |
Linear Polyethylene, March 9, 1976 |
| SRM 1483a |
Linear Polyethylene |
| SRM 1484 |
Linear Polyethylene |
| SRM 1490 |
Polyisobutylene Solution in Cetane |
| SRM 1491 |
Aromatic Hydrocarbons in Hexane/Toluene, August 31, 1989 |
| SRM 1492 |
Chlorinated Pesticides in Hexane, December 1, 1998 |
| SRM 1494 |
Aliphatic Hydrocarbons in 2,2,4-Trimethylpentane |
| SRM 1495 |
Isobutylene-Isoprene (Butyl) Rubber |
| SRM 1504, 1505, 150 |
For Permittivity (7940 Fused Silica) |
| SRM 1507 |
THC-COOH in Urine, June 4, 1990 |
| SRM 1507a |
THC-COOH in Urine |
| SRM 1507b |
THC-COOH in Urine, September 29, 2003 |
| SRM 1508 |
Cocaine and Metabolites in Freeze-Dried Urine, June 25, 1990 |
| SRM 1508a |
Cocaine and Metabolites in Freeze-Dried Urine, December 22, 2003 |
| SRM 1511 |
Determination of Dielectric Constant Cyclohexane, September 19, 2005 |
| SRM 1512 |
Determination of Dielectric Constant 1,2-Dichloroethane, Provisional, July 2, 1969 |
| SRM 1513 |
Determination of Dielectric Constant Nitrobenzene |
| SRM 1515 |
Apple Leaves, July 2, 1991 |
| SRM 1516-1519 |
For Permittivity 103 Hz and 23°C |
| SRM 1520 |
Boron-Doped Silicon Wafers for Resistivity Measurements |
| SRM 1521 |
Boron-Doped Silicon Slices for Resistivity Measurements, October 4, 1991 |
| SRM 1522 |
Silicon Power Device Level Resistivity Standard, October 4, 1991 |
| SRM 1523 |
Silicon Resistivity Standard for Eddy Current Testers, October 4, 1991 |
| SRM 1541 |
Iron Foil Mossbauer, October 1, 1981 |
| SRM 1546 |
Meat Homogenate, January 6, 2004 |
| SRM 1547 |
Peach Leaves, July 2, 1991 |
| SRM 1548 |
Total Diet, September 28, 1990 |
| SRM 1548a |
Typical Diet, October 26, 2004 |
| SRM 1549 |
Non-Fat Milk Powder, January 14, 1985 |
| SRM 1549 |
Non-Fat Milk Powder, July 29, 1985 |
| SRM 1563 |
Cholesterol and Fat-Soluble Vitamins in Coconut Oil, May 5, 1999 |
| SRM 1563 |
Cholesterol/Fat Soluble Vitamins in Coconut Oil, February 28, 2003 |
| SRM 1566 |
Oyster Tissue, December 12, 1979 |
| SRM 1566a |
Oyster Tissue, October 2, 1989 |
| SRM 1567 |
Wheat Flour, January 3, 1978 |
| SRM 1567a |
Wheat Flour, October 23, 1987 |
| SRM 1568 |
Rice Flour, January 3, 1978 |
| SRM 1568a |
Rice Flour, January 20, 1988 |
| SRM 1569 |
Brewers Yeast |
| SRM 1570 |
Trace Elements in Spinach, September 1, 1976 |
| SRM 1570a |
Trace Elements in Spinach, July 15, 1996 |
| SRM 1571 |
Orchard Leaves, August 31, 1977 |
| SRM 1572 |
Citrus Leaves, February 22, 1982 |
| SRM 1573 |
Tomato Leaves |
| SRM 1575 |
Pine Needles, October 18, 1976 |
| SRM 1577 |
Bovine Liver, June 14, 1977 |
| SRM 1577a |
Bovine Liver, March 5, 1982 |
| SRM 1577b |
Bovine Liver, August 27, 1991 |
| SRM 1579 |
Powdered Base Lead Paint |
| SRM 1579a |
Powdered Base Lead Paint |
| SRM 1580 |
Organics in Shale Oil, March 10, 1980 |
| SRM 1581 |
Polychlorinated Biphenyls in Oil, June 25, 1982 |
| SRM 1583 |
Chlorinated Pesticides in 2,2,4-Trimethylpentane |
| SRM 1584 |
Priority Pollutant Phenols in Methanol, April 20 1984 |
| SRM 1585 |
Chlorinated Biphenyls 2,2,4-Trimethylpentane(Isooctane), January 30, 1986 |
| SRM 1588 |
Organics in Cod Liver Oil, January 27, 1989 |
| SRM 1588a |
Organices in Cod Liver Oil, May 29, 1998 |
| SRM 1588b |
Organics in Cod Liver Oil, August 9, 2007 |
| SRM 1589 |
PCBs in Human Serum, November 25, 1985 |
| SRM 1589a |
PCBs in Human Serum, August 9, 2000 |
| SRM 1589a |
PCBs in Human Serum, August 30, 2006 |
| SRM 1589a |
PCBs, Pesticides, PBDEs, and Dioxins/Furans in Human Serum |
| SRM 1590 |
Stabilized Wine, November 9, 1981 |
| SRM 1591 |
1,2-O-Isopropylidene-ß-L-idofuranose |
| SRM 1592 |
2-3-O-Isopropylidene-ß-D-threo-pentulose |
| SRM 1593 |
levo-Inosito |
| SRM 1594 |
Quebrachitol |
| SRM 1597 |
Complete Mixture of Polycylclic Aromatic Hydrocarbons from Coal Tar, May 11, 1992 |
| SRM 1598 |
Inorganic Constituents in Bovine Serum, January 10, 1989 |
| SRM 1600 |
Secondary Standard Magnetic Tape Cassette |
| SRM 1601 |
Carbon Dioxide in Nitrogen, January 15, 1973 |
| SRM 1602 |
Carbon Dioxide in Nitrogen, January 15, 1973 |
| SRM 1603 |
Carbon Dioxide in Nitrogen, January 15, 1973 |
| SRM 1604 |
Oxygen in Nitrogen |
| SRM 1604a |
Oxygen in Nitrogen |
| SRM 1605 |
Oxygen in Nitrogen |
| SRM 1606 |
Oxygen in Nitrogen |
| SRM 1607 |
Oxygen in Nitrogen |
| SRM 1608 |
Oxygen in Nitrogen |
| SRM 1609 |
Oxygen in Nitrogen |
| SRM 1610 |
Hydrocarbon in Air |
| SRM 1611 |
Hydrocarbon in Air |
| SRM 1612 |
Hydrocarbon in Air |
| SRM 1613 |
Hydrocarbon in Air |
| SRM 1616 |
Sulfur in Kerosene, February 19, 1988 |
| SRM 1616a |
Sulfur in Kerosene, September 27, 1995 |
| SRM 1616b |
Sulfur in Kerosene, March 10, 2005 |
| SRM 1617 |
Sulfur in Kerosene |
| SRM 1617a |
Sulfur in Kerosene, July 17,1995 |
| SRM 1618 |
Vanadium and Nickel in Residual Fuel Oil, November 1, 1984 |
| SRM 1619 |
Sulfur in Residual Fuel Oil 0.7 % |
| SRM 1619a |
Sulfur in Residual Fuel Oil 0.7 % |
| SRM 1619b |
Sulfur in Residual Fuel Oil 0.7 % March 1, 2006 |
| SRM 1620 |
Sulfur in Residual Fuel Oil 4 % |
| SRM 1620a |
Sulfur in Residual Fuel Oil 4 % |
| SRM 1620b |
Sulfur in Residual Fuel Oil 4 % |
| SRM 1620c |
Sulfur in Residual Fuel Oil 4 %, March 22, 2000 |
| SRM 1621 |
Sulfur in Residual Fuel Oil 1 % |
| SRM 1621a |
Sulfur in Residual Fuel Oil 1 % |
| SRM 1621b |
Sulfur in Residual Fuel Oil 1 % |
| SRM 1621c |
Sulfur in Residual Fuel Oil 1 % |
| SRM 1621d |
Sulfur in Residual Fuel Oil 1 % |
| SRM 1621e |
Sulfur in Residual Fuel Oil 1 %, September 9, 1999 |
| SRM 1622 |
Sulfur in Residual Fuel Oil 2 % |
| SRM 1622a |
Sulfur in Residual Fuel Oil 2 % |
| SRM 1622b |
Sulfur in Residual Fuel Oil 2 % |
| SRM 1622c |
Sulfur in Residual Fuel Oil 2 % |
| SRM 1622d |
Sulfur in Residual Fuel Oil 2 %, March 14, 1994 |
| SRM 1622e |
Sulfur in Residual Fuel Oil 2 %, April 2, 2003 |
| SRM 1623 |
Sulfur in Residual Fuel Oil 0.3 % |
| SRM 1623a |
Sulfur in Residual Fuel Oil 0.3 % |
| SRM 1623b |
Sulfur in Residual Fuel Oil 0.3 % |
| SRM 1623c |
Sulfur in Residual Fuel Oil 0.3 %, June 13, 2000 |
| SRM 1623c |
Sulfur in Residual Fuel Oil 0.3 %, May 5, 2004 |
| SRM 1624 |
Sulfur in Distillate Fuel Oil 0.4 %, April 7, 1971 |
| SRM 1624a |
Sulfur in Distillate Fuel Oil 0.4 % |
| SRM 1624b |
Sulfur in Distillate Fuel Oil 0.4 % |
| SRM 1624c |
Sulfur in Distillate Fuel Oil 0.4 %, June 6, 1997 |
| SRM 1624d |
Sulfur in Distillate Fuel Oil 0.4 %, April 26, 2005 |
| SRM 1625 |
SO2 Permeation Tube 10 cm, May 16, 1995 |
| SRM 1626 |
SO2 Permeation Tube 5 cm |
| SRM 1626 |
SO2 Permeation Tube 5 cm, April 12, 1971 |
| SRM 1626 |
SO2 Permeation Tube 5 cm, May 16, 1995 |
| SRM 1626a |
SO2 Permeation Tube 5 cm, October 24, 2001 |
| SRM 1627 |
SO2 Permeation Tube 2 cm, December 5, 1991 |
| SRM 1629 |
Nitrogen Dioxide Permeation Device |
| SRM 1629a |
Nitrogen Dioxide Permeation Device, June 6, 1996 |
| SRM 1630 |
Trace Mercury in Coal, Provisional, November 3, 1971 |
| SRM 1630a |
Trace Mercury in Coal, August 9, 2000 |
| SRM 1631 |
Sulfur in Coal, April 15, 1973 |
| SRM 1632 |
Trace Elements in Coal (Bituminous), March 7, 1975 |
| SRM 1632a |
Trace Elements in Coal (Bituminous), October 24, 1983 |
| SRM 1632b |
Trace Elements in Coal (Bituminous), June 11, 1997 |
| SRM 1632c |
Trace Elements in Coal (Bituminous), September 12, 2011 |
| SRM 1633 |
Trace Elements in Coal Fly Ash |
| SRM 1633a |
Trace Elements in Coal Fly Ash, April 18, 1979 |
| SRM 1633b |
Trace Elements in Coal Fly Ash, June 22, 1993 |
| SRM 1634 |
Trace Elements in Fuel Oil |
| SRM 1634a |
Trace Elements in Fuel Oil |
| SRM 1634b |
Trace Elements in Fuel Oil |
| SRM 1634c |
Trace Elements in Fuel Oi, August 29, 1995 |
| SRM 1635 |
Trace Elements in Coal, May 9, 2000 |
| SRM 1636, 1637, 163 |
Lead in Reference Fuel |
| SRM 1636a, 1637a, 1 |
Lead in Reference Fuel |
| SRM 1638b |
Lead in Reference Fuel |
| SRM 1640 |
Natural Water February 6, 2008 |
| SRM 1641 |
Mercury in Water |
| SRM 1641a |
Mercury in Water |
| SRM 1641b |
Mercury in Water |
| SRM 1641c |
Mercury in Water, April 6, 1979 |
| SRM 1642 |
Mercury in Water Trace |
| SRM 1642a |
Mercury in Water Trace |
| SRM 1642b |
Mercury in Water Trace |
| SRM 1643 |
Trace Elements in Water |
| SRM 1643a |
Trace Elements in Water |
| SRM 1643b |
Trace Elements in Water |
| SRM 1643c |
Trace Elements in Water |
| SRM 1643d |
Trace Elements in Water |
| SRM 1644 |
General Columns for Polynuclear Aromatic Hydrocarbons |
| SRM 1645 |
River Sediment, November 16, 1978 |
| SRM 1646 |
Estuarine Sediment, January 6, 1982 |
| SRM 1646a |
Estaurine Sediment, September 2, 1998 |
| SRM 1647 |
Priority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile) |
| SRM 1647a |
Priority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile) |
| SRM 1647b |
Priority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile) |
| SRM 1647c |
Priority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile) |
| SRM 1647d |
Priority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile), December 3, 2003 |
| SRM 1648 |
Urban Particulate Matter, August 30, 1991 |
| SRM 1648 |
Urban Particulate Matter, April 28, 1998 |
| SRM 1649 |
Urban Dust/Organics, April 8, 1982 |
| SRM 1649a |
Urban Dust /Organics, November 19, 1998 |
| SRM 1649a |
Urban Dust, December 6, 2007 |
| SRM 1650 |
Diesel Particulate Matter, February 11, 1985 |
| SRM 1650a |
Diesel Particulate Matter, November 7, 2000 |
| SRM 1651 |
Heat-Source Powder Calorimetry |
| SRM 1652 |
Heat-Source Powder Calorimetry |
| SRM 1653 |
Heat-Source Powder Calorimetry |
| SRM 1654 |
Hydrofluoric Acid Solution Calorimetry, April 7, 1971 |
| SRM 1657 |
Synthetic Refuse-Derived Fuel Combustion Calorimetric Standard, March 4, 1985 |
| SRM 1658 |
Methane in Air, September 16, 1976 |
| SRM 1658a |
Methane in Air, November 1, 1999 |
| SRM 1658a |
Methane in Air, January 14, 2003 |
| SRM 1659 |
Methane in Air, September 16, 1976 |
| SRM 1659a |
Methane in Air, October 9, 2003 |
| SRM 1660 |
Methane-Propane in Air, September 16, 1976 |
| SRM 1660a |
Methane-Propane in Air, July 16, 2001 |
| SRM 1661 |
Sulfur Dioxide in Nitrogen, June 29, 1976 |
| SRM 1661a |
Sulfur Dioxide in Nitrogen, August 11, 2000 |
| SRM 1662 |
Sulfur Dioxide in Nitrogen, June 29, 1976 |
| SRM 1662a |
Sulfur Dioxide in Nitrogen, August 10, 2000 |
| SRM 1662a |
Sulfur Dioxide in Nitrogen (Nominal 1000 umol/mol), September 30, 2010 |
| SRM 1663 |
Sulfur Dioxide in Nitrogen, June 29, 1976 |
| SRM 1663a |
Sulfur Dioxide in Nitrogen, August 11, 2000 |
| SRM 1664 |
Sulfur Dioxide in Nitrogen, June 29, 1976 |
| SRM 1664a |
Sulfur Dioxide in Nitrogen, December 3, 2003 |
| SRM 1665 |
Propane in Air, April 5, 1973 |
| SRM 1665a |
Propane in Air, November 1, 1975 |
| SRM 1665b |
Propane in Air, July 24, 2001 |
| SRM 1666 |
Propane in Air, April 5, 1973 |
| SRM 1666a |
Propane in Air, November 1, 1975 |
| SRM 1666b |
Propane in Air, December 26, 2000 |
| SRM 1667 |
Propane in Air |
| SRM 1667a |
Propane in Air |
| SRM 1667b |
Propane in Air, December 19, 2000 |
| SRM 1668 |
Propane in Air |
| SRM 1668b |
Propane in Air, December 26, 2000 |
| SRM 1669 |
Propane in Air |
| SRM 1669a |
Propane in Air |
| SRM 1669b |
Propane in Air, February 9, 2001 |
| SRM 1670 |
Carbon Dioxide in Air, December 9, 1982 |
| SRM 1671 |
Carbon Dioxide in Air, December 31, 1998 |
| SRM 1671a |
Carbon Dioxide in Air |
| SRM 1672a |
Carbon Dioxide in Air, September 3, 2003 |
| SRM 1673, 1674, 167 |
Carbon Dioxide in Nitrogen |
| SRM 1673a |
Carbon Dioxide in Nitrogen |
| SRM 1674a |
Carbon Dioxide in Nitrogen |
| SRM 1674b |
Carbon Dioxide in Nitrogen, April 10 ,1998 |
| SRM 1675a |
Carbon Dioxide in Nitrogen |
| SRM 1675b |
Carbon Dioxide in Nitrogen, February 5, 2004 |
| SRM 1676 |
Carbon Dioxide in Air (Nominal 365 umol/mol), February 28, 2006 |
| SRM 1677 |
Carbon Monoxide in Nitrogen |
| SRM 1677a |
Carbon Monoxide in Nitrogen |
| SRM 1677b |
Carbon Monoxide in Nitrogen |
| SRM 1677c |
Carbon Monoxide in Nitrogen, March 22, 1994 |
| SRM 1678 |
Carbon Monoxide in Nitrogen |
| SRM 1678a |
Carbon Monoxide in Nitrogen |
| SRM 1678b |
Carbon Monoxide in Nitrogen |
| SRM 1678c |
Carbon Monoxide in Nitrogen, December 4, 2002 |
| SRM 1679 |
Carbon Monoxide in Nitrogen |
| SRM 1679a |
Carbon Monoxide in Nitrogen |
| SRM 1679b |
Carbon Monoxide in Nitrogen |
| SRM 1679c |
Carbon Monoxide in Nitrogen, September 6, 2001 |
| SRM 1679c |
Carbon Monoxide in Nitrogen, August 21, 2003 |
| SRM 1680 |
Carbon Monoxide in Nitrogen, April 12, 1974 |
| SRM 1680a |
Carbon Monoxide in Nitrogen, January 29, 1975 |
| SRM 1680b |
Carbon Monoxide in Nitrogen, July 24, 2001 |
| SRM 1681 |
Carbon Monoxide in Nitrogen |
| SRM 1681b |
Carbon Monoxide in Nitrogen, November 24, 1999 |
| SRM 1683 |
Nitric Oxide in Nitrogen |
| SRM 1683a |
Nitric Oxide in Nitrogen |
| SRM 1683b |
Nitric Oxide in Nitrogen, August 16, 2001 |
| SRM 1684 |
Nitric Oxide in Nitrogen |
| SRM 1684a |
Nitric Oxide in Nitrogen |
| SRM 1684b |
Nitric Oxide in Nitrogen, March 21, 2001 |
| SRM 1685 |
Nitric Oxide in Nitrogen |
| SRM 1685b |
Nitric Oxide in Nitrogen, October 20, 2003 |
| SRM 1686 |
Nitric Oxide in Nitrogen |
| SRM 1686a |
Nitric Oxide in Nitrogen |
| SRM 1686b |
Nitric Oxide in Nitrogen, December 30, 1999 |
| SRM 1687 |
Nitric Oxide in Nitrogen, November 27, 1974 |
| SRM 1687 |
Nitric Oxide in Nitrogen, April 10, 1992 |
| SRM 1687a |
Nitric Oxide in Nitrogen |
| SRM 1687b |
Nitric Oxide in Nitrogen, December 9, 2003 |
| SRM 1690 |
Polystyrene Spheres, December 22, 1982 |
| SRM 1693 |
Sulfur Dioxide in Nitrogen |
| SRM 1693a |
Sulfur Dioxide in Nitrogen, February 19, 2002 |
| SRM 1694 |
Sulfur Dioxide in Nitrogen |
| SRM 1694a |
Sulfur Dioxide in Nitrogen, November 7, 2001 |
| SRM 1696 |
Sulfur Dioxide in Nitrogen, March 20, 1981 |
| SRM 1696a |
Sulfur Dioxide in Nitrogen, March 18, 2004 |
| SRM 1700 |
Carbon Dioxide in Nitrogen, June 11, 1985 |
| SRM 1700a |
Carbon Dioxide in Nitrogen, August 29, 1988 |
| SRM 1701 |
Carbon Dioxide and Oxygen in Nitrogen |
| SRM 1701a |
Carbon Dioxide and Oxygen in Nitrogen |
| SRM 1702 |
Carbon Dioxide and Oxygen in Nitrogen |
| SRM 1702a |
Carbon Dioxide and Oxygen in Nitrogen |
| SRM 1703 |
Carbon Dioxide and Oxygen in Nitrogen |
| SRM 1703a |
Carbon Dioxide and Oxygen in Nitrogen |
| SRM 1742 |
Zinc-Aluminum Alloy, September 1, 1999 |
| SRM 1762 |
Low Alloy Steel |
| SRM 1763 |
Low Alloy Steel, April 23, 1992 |
| SRM 1779 |
Naval Brass WK4 |
| SRM 1800 |
Non-Methane Hydrocarbon Compounds in Nitrogen 5.0 nmol/mol |
| SRM 1804 |
Eighteen Toxic Volatile Organic Compounds in Nitrogen |
| SRM 1805 |
Benzene in Nitrogen |
| SRM 1806 |
Benzene in Nitrogen |
| SRM 1808 |
Tetrachloroethylene in Nitrogen |
| SRM 1810 |
Linerboard Standard for Tape Adhesion Testing |
| SRM 1811 |
Benzene, Toluene, Chlorobenzene, and Bromobenzene in Nitrogen |
| SRM 1812 |
Benzene, Toluene, Chlorobenzene, and Bromobenzene in Nitrogen |
| SRM 1813 |
Carbon Tetrachloride, Chloroform, Tetrachloroethylene, and Vinyl Chloride in Nitrogen |
| SRM 1814 |
Carbon Tetrachloride, Chloroform, Tetrachloroethylene, and Vinyl Chloride in NItrogen |
| SRM 1815 |
Reference Fuel n-Heptane |
| SRM 1816 |
Reference Fuel Isooctane |
| SRM 1817 |
A Catalyst Package for Lubricant Oxidation |
| SRM 1817a |
A Catalyst Package for Lubricant Oxidation |
| SRM 1817b |
A Catalyst Package for Lubricant Oxidation |
| SRM 1817c |
A Catalyst Package for Lubricant Oxidation |
| SRM 1818 |
Total Chlorine in Lubricating Base Oil |
| SRM 1819 |
Sulfur in Lubricating Base Oil |
| SRM 1821 |
Ethanol (Forensic Standard) |
| SRM 1822 |
Refractive Index Glass |
| SRM 1822a |
Refractive Index Standard, November 14, 2008 |
| SRM 1823 |
Refractive Index Silicone Liquids |
| SRM 1825 |
Fused Silica Density Standard |
| SRM 1826 |
Soda-Lime Glass (Density) |
| SRM 1826a |
Soda-Lime Glass (Density) |
| SRM 1826b |
Soda-Lime Glass (Density) |
| SRM 1827 |
Lead Silica Glass Density Standard |
| SRM 1827a |
Lead Silica Glass Density Standard |
| SRM 1827b |
Lead Silica Glass Density Standard |
| SRM 1828 |
Ethanol-Water Solutions |
| SRM 1828a |
Ethanol-Water Solutions |
| SRM 1832 |
Thin Glass Film |
| SRM 1833 |
Thin Glass Film |
| SRM 1840 |
100-g Silicon Density Standard |
| SRM 1841a |
200-g Silicon Density Standard |
| SRM 1842 |
X-Ray Stage Calibration Board |
| SRM 1843 |
X-Ray Stage Calibration Board |
| SRM 1844 |
Radiographic Image Quality Indicator System Performance Standard |
| SRM 1845 |
Cholesterol in Whole Egg Powder, August 17, 2009 |
| SRM 1846 |
Infant Formula (milk-based) |
| SRM 1850 |
NDE Test Blocks |
| SRM 1851 |
NDE Test Blocks |
| SRM 1853 |
Magnetic Particle Test Ring (Individually Calibrated) |
| SRM 1855 |
Ultrasonic Power Transducer Standard |
| SRM 1856 |
Acoustic Emission Transducer |
| SRM 1860 |
Aluminum Block |
| SRM 1861 |
Aluminum Block |
| SRM 1862 |
Aluminum Block |
| SRM 1863 |
Aluminum Block |
| SRM 1866 |
Bulk Asbestos Common |
| SRM 1867 |
Uncommon Commercial Asbestos |
| SRM 1871 |
Lead-Silicate Glasses for Microanalysis |
| SRM 1874 |
Lithium-Aluminum-Borate Glasses for Microanalysis |
| SRM 1875 |
Aluminum-Magnesium-Phosphate Glasses for Microanalysis |
| SRM 1876a |
Chrysotile Asbestos Fibers |
| SRM 1878 |
Respirable Alpha Quartz |
| SRM 1878a |
Respirable Alpha Quartz, August 31, 1999 |
| SRM 1879 |
Respirable Cristobalite |
| SRM 1880 |
Portland Cement, Black, February 10,1984 |
| SRM 1880a |
Portland Cement, Black, July 29, 1999 |
| SRM 1881 |
Portland Cement, White, January 9, 1989 |
| SRM 1882 |
Calcium Aluminate Cement, Orange, July 1, 1986 |
| SRM 1882 |
Calcium Aluminate Cement, Orange July 26, 1990 |
| SRM 1883 |
Calcium Aluminate Cement, Silver, July 27, 1990 |
| SRM 1884 |
Portland Cement, Ivory |
| SRM 1884a |
Portland Cement |
| SRM 1885 |
Portland Cement, Turquoise |
| SRM 1886 |
Portland Cement, Cranberry |
| SRM 1887 |
Portland Cement, Brown |
| SRM 1888 |
Portland Cement, Purple |
| SRM 1889 |
Portland Cement, Gray |
| SRM 1890 |
Stainless Steel for Pitting or Crevice Corrosion |
| SRM 1891 |
Cobalt-Chromium-Molybdenum Alloy |
| SRM 1893 |
Microhardness, Cu-Knoop, March 20, 1992 |
| SRM 1894 |
Microhardness, Cu-Vickers, March 20, 1992 |
| SRM 1895 |
Microhardness, Ni-Knoop, March 20, 1992 |
| SRM 1896 |
Microhardness, Ni-Vickers, March 20, 1992 |
| SRM 1896a |
Microhardness, Ni-Vickers |
| SRM 1897 |
Specific Surface Area, May 10, 2012 |
| SRM 1897 |
Specific Surface Area, April 28, 2011 |
| SRM 1901 |
Centerline Drawings for Optical Character Recognition-B Characters, August 28, 1996 |
| SRM 1901,1902,1903, |
Centerline Drawings for Optical Character Recognition-B Characters |
| SRM 1905 |
Microhardness, Ni-Knoop, March 20, 1992 |
| SRM 1906 |
Microhardness, Ni-Knoop, November 2, 1994 |
| SRM 1907 |
Microhardness, Ni-Knoop, March 14, 1995 |
| SRM 1908 |
Vickers Microhardness of Nickel, October 10, 2003 |
| SRM 1909 |
Vickers Microhardness of Nickel, October 10, 2003 |
| SRM 1911 |
Benzene Permeation Device, August 4, 1982 |
| SRM 1912 |
Tetrachloroethylene Permeation Device |
| SRM 1919 |
Lead Silica Glass Density Standard |
| SRM 1920 |
Near IR Reflectance, July 1, 1986 |
| SRM 1920a |
Near IR Reflectance, February 20, 2004 |
| SRM 1921 |
IR Transmission Wavelength (Polystyrene Film), February 23, 1996 |
| SRM 1921a |
IR Transmission Wavelength (Polystyrene Film), November 9, 2006 |
| SRM 1930 |
Glass Filters, Transmittance, May 26, 2000 |
| SRM 1931 |
Fluorescence Emission Standards for the Visible Region |
| SRM 1932 |
Fluorescein Solution, March 4, 2003 |
| SRM 1935 |
Potassium Dichromate Solution for Use as an Ultraviolet Absorbance Solution, March 2, 2001 |
| SRM 1939 |
Polychlorinated Biphenyls (Congeners) in River Sediment A |
| SRM 1941 |
Organics in Marine Sediment, October 29, 1989 |
| SRM 1941a |
Organics in Marine Sediment |
| SRM 1941b |
Organics in Marine Sediment, July 15, 2002 |
| SRM 1946 |
Lake Superior Fish Tissue, February 20, 2003 |
| SRM 1951 |
Lipids in Frozen Human Serum |
| SRM 1951a |
Lipids in Frozen Human Serum, July 10, 2003 |
| SRM 1951b |
Lipids in Frozen Human Serum, February 3, 2004 |
| SRM 1952 |
Cholesterol in Human Serum (Freeze-Dried), February 29, 1988 |
| SRM 1960 |
Polystyrene (Nominal 10 µm Diameter Polystyrene Spheres), April 4, 1985 |
| SRM 1963 |
Polystyrene (Nominal 0.1 µm Diameter Polystyrene Spheres), August 25, 2003 |
| SRM 1967 |
High Purity Platimum Thermoelement, February 23, 1977 |
| SRM 1968 |
Gallium Melting-Point Standard, June 1, 1977 |
| SRM 1969 |
Rubidium Triple-Point Standard, January 16, 1984 |
| SRM 1970 |
Succinonitrile Triple-Point Standard, March 1, 1985 |
| SRM 1971 |
Indium Freezing-Point Standard, February 26, 1987 |
| SRM 1972 |
1,3-Dioxolan-2-one (Ethylene Carbonate Triple Point Standard (Internal Temperature Scale of 1990 [ITS-90], July 19, 1993 |
| SRM 1973 |
n-Docosane Triple Point Standard (Internal Temperature Scale of 1990 [ITS-90], May 26, 1994 |
| SRM 1974 |
Organics in Mussel Tissue (Mytilus edulis), May 15, 1991 |
| SRM 1974a |
Organics in Mussel Tissue (Mytilus edulis), July 18, 1997 |
| SRM 1975 |
Diesel Particulate Extract, November 7, 2000 |
| SRM 1976 |
Instrument Sensitivity Standard for X-ray Powder Diffraction, November 8, 1991 |
| SRM 1976 |
Instrument Sensitivity Standard for X-ray Powder Diffraction, March 14, 2007 |
| SRM 1980 |
Positive Electrophoretic Mobility for March 7, 1994 |
| SRM 2001 |
Aluminum on Glass (Standard for Specular Spectral Reflectance), April 16, 1971 |
| SRM 2002 |
Aluminum on Glass (Standard for Specular Spectral Reflectance), April 16, 1971 |
| SRM 2003 |
First Surface Aluminum Mirror for Specular Reflectance (from 250 to 2500 nm), April 10, 1998 |
| SRM 2003a |
First Surface Aluminum Mirror for Specular Reflectance (from 250 to 2500 nm) |
| SRM 2003b |
First Surface Aluminum Mirror for Sjpecular Reflectance (from 250 to 2500 nm) |
| SRM 2003c |
First Surface Aluminum Mirror for Specular Reflectance (from 250 to 2500 nm) |
| SRM 2004 |
Aluminum on Glass (Standard for Specular Spectral Reflectance), April 16, 1971 |
| SRM 2005 |
Gold on Glass (Standard for Specular Spectral Reflectance), April 16, 1971 |
| SRM 2006 |
Gold on Glass (Standard for Specular Spectral Reflectance), April 16, 1971 |
| SRM 2007 |
Gold on Glass (Standard for Specular Spectral Reflectance), April 16, 1971 |
| SRM 2008 |
Gold on Glass (Standard for Specular Spectral Reflectance), April 16, 1971 |
| SRM 2009 |
Didymium Glass Filters for Checking the Wavelength Scale of Spectrophotometers |
| SRM 2010 |
Didymium Glass Filters for Checking the Wavelength Scale of Spectrophotometers |
| SRM 2010a |
Didymium Glass Filters for Checking the Wavelength Scale of Spectrophotometers |
| SRM 2011 |
First Surface Gold Mirror, June 30, 1999 |
| SRM 2013 |
Didymium Glass Filters for Checking the Wavelength Scale of Spectrophotometers, January 8, 1980 |
| SRM 2014 |
Didymium Glass Filters for Checking the Wavelength Scale of Spectrophotometers |
| SRM 2015 |
Opal Glass (Reflectance) Standard, May 5, 1982 |
| SRM 2016 |
White Opal Glass Diffuse Spectral Reflectance |
| SRM 2019, 2020 |
White Ceramic Tile for Directional Hemispherical |
| SRM 2019a |
White Ceramic Tile for Directional Hemispherical |
| SRM 2019b |
White Ceramic Tile for Directional Hemispherical |
| SRM 2019d |
White Ceramic Tile for Directional Hemispherical |
| SRM 2020 |
White Ceramic Tile for Directional Hemispherical |
| SRM 2020c |
White Ceramic Tile for Directional Hemispherical |
| SRM 2021, 2022 |
Black Porcelain Enamel for Directional Hemispherical |
| SRM 2023 |
Second Surface Aluminum on Quartz |
| SRM 2025 |
Second Surface Aluminum Mirror with Wedge |
| SRM 2030 |
Glass Filter for Transmittance Measurement, September 23, 1976 |
| SRM 2030a |
Glass Filter for Transmittance Measurement, October 18, 1993 |
| SRM 2031 |
Metals-on-Quartz Filters for Spectrophotometry, October 22, 1984 |
| SRM 2031a |
Metals-on-Fused Filters for Spectrophotometry, April 3, 2002 |
| SRM 2033 |
Crystalline Potassium Iodide with Attenuator Heterochromatic and Isochromatic Stray Radiant Energy Standard for Ultraviolet Absorption Spectrophotometry |
| SRM 2034 |
Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2034 |
Series 01 Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2034 |
Series 02 Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2034 |
Series 04-A Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2034 |
Series 91 Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2034 |
Series 94 Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2034 |
Series 95 Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2034 |
Series 96 Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2034 |
Series 97 Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2034 |
Series 98 Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2034 |
Series 99 Holmium Oxide Solution Wavelength Standard from 240 nm to 650 nm |
| SRM 2035 |
Near Infrared Transmission Wavelength Standard from 10 300 cm-1 to 5130 cm-1, February 22, 1999 |
| SRM 2040 |
PTFE Diffuser for Spectral Reflectance Factor, October 4, 2001 |
| SRM 2044 |
White Diffuser |
| SRM 2044a |
White Diffuser for 6:di Spectral Reflectance Factor, April 2, 2003 |
| SRMs 2046, 2047, 204 |
Transmission Filters with Measured Optical Density at 1064 nm Wavelength, July 9, 1998 |
| SRM 2052 |
Black Diffuser for 6:di Spectural Reflectance Factor |
| SRM 2053 |
Infrared Transmittance Standard, August 25, 2002 |
| SRM 2053 |
Infrared Transmittance Standard, March 8, 2006 |
| SRM 2054 |
Infrared Transmittance Standard, March 8, 2006 |
| SRM 2054 |
Infrared Transmittance Standard, August 25, 2002 |
| SRM 2055 |
Infrared Transmittance Standard, August 25, 2002 |
| SRM 2055 |
Infrared Transmittance Standard, March 8, 2006 |
| SRM 2061 |
Reflection Step Tablet |
| SRM 2069 |
SEM Performance Standard |
| SRM 2069a |
SEM Performance Standard |
| SRM 2069b |
SEM Performance Standard, May 15, 1991 |
| SRM 2071 |
Sinusoidal Roughness Specimen |
| SRM 2071a |
Sinusoidal Roughness Specimen |
| SRM 2071b |
Sinusoidal Roughness, August 23, 2000 |
| SRM 2073 |
Sinusoidal Roughness Specimen |
| SRM 2084 |
CMM Probe Performance Standard , October 8, 1996 |
| SRM 2084r |
CMM Probe (10-mm Sphere) |
| SRM 2085 |
CMM Probe Performance Standard |
| SRM 2092 |
Certified Low-Energy Samples for Charpy V-Notch Testing Machines, December 20, 1989 |
| SRMs 2092, 2096 |
Low and High-Energy Test Specimens for Charpy V-Notch Impact Testing Machines, February 19, 1993 |
| SRMs 2092, 2096, 209 |
Low, High and Super High-Energy Test Specimens for Charpy V-Notch Impact Testing Machines, May 14, 2001 |
| SRM 2096 |
Certified High-Energy Samples for Charpy V-Notch Testing Machines, December 20, 1989 |
| SRM 2098 |
Super High-Energy Specimens for Charpy V-Notch Testing Machines, January 25, 1991 |
| SRM 2101 |
Glass Filters for Checking Performance of Spectrophotometer-Intergrator Systems of Color Measurement |
| SRM 2106 |
A Universal Color Language |
| SRM 2108 |
Chromium (III) Speciation |
| SRM 2121 |
Spectrometric Standard Solution Cadmium, Lead, Silver, and Zinc |
| SRM 2122 |
Spectrometric Standard Solution Barium, Calcium, Magnesium, and Strontium |
| SRM 2123 |
Spectrometric Standard Solution Lithium, Potassium, Sodium, and Rubidium |
| SRM 2124 |
Spectrometric Standard Solution Cobalt, Copper, Iron, and Nickel |
| SRM 2125 |
Spectrometric Standard Solution Boron, Chromium, Manganese, and Molybdenum |
| SRM 2126 |
Spectrometric Standard Solution Antimony, Arsenic, Selenium, and Tin |
| SRM 2127 |
Spectrometric Standard Solution Aluminum, Beryllium, Phosphorus, and Silicon |
| SRM 2128 |
Spectrometric Standard Solution Gold, Mercury, Palladium, and Platinum |
| SRM 2129 |
Spectrometric Standard solution Titanium, Tungsten, Vanadium, and Zirconium |
| SRM 2133 |
Phosphorus Implant in Si Depth Profile, April 2, 2003 |
| SRM 2135 |
Ni/Cr Thin-Film Depth Profile Standard |
| SRM 2135a |
Ni/Cr Thin-Film Depth Profile Standard |
| SRM 2135b |
Ni/Cr Thin-Film Depth Profile Standard |
| SRM 2135c |
Ni/Cr Thin-Film Depth Profile Standard, February 1, 1999 |
| SRM 2135d |
Ni/Cr Thin-Film Depth Profile Standard, February 1, 1999 |
| SRM 2142 |
o-Bromobenzoic Acid |
| SRM 2143 |
p-Fluorobenzoic Acid, Provisional, January 23, 1973 |
| SRM 2144 |
m-Chlorobenzoic Acid, Provisional, December 5, 1972 |
| SRM 2175 |
MP 35N Refractory Alloy, July 25, 1968 |
| SRM 2176 |
Propane-1,1,1-d3 CH3CH2CD |
| SRM 2181 |
HEPES Free Acid, March 17, 1989 |
| SRM 2191 |
Sodium Bicarbonate |
| SRM 2191a, 2192a |
Sodium Bicarbonate, November 15, 1984 |
| SRM 2192 |
Sodium Carbonate |
| SRM 2201 |
Sodium Chloride, March 30, 1984 |
| SRM 2202 |
Potassium Chloride, February 22, 1971 |
| SRM 2211 |
Toluene |
| SRM 2212 |
Toluene |
| SRM 2213 |
2,2,4-Trimethylpentane |
| SRM 2220 |
DSC Enthalpy Tin, November 15, 1985 |
| SRM 2221 |
Temperature of Enthalpy of Fusion Zinc |
| SRM 2221a |
Temperature of Enthalpy of Fusion Zinc, September 15, 1989 |
| SRM 2222 |
Temperature and Enthalpy of Fusion Biphenyl, June 1, 1989 |
| SRM 2232 |
Indium DSC Calibration Standard Temperature and Enthalpy of Fusion, March 1, 1999 |
| SRM 2241 |
Relative Intensity Correction Standard for Raman Spectroscopy: 785 nm Excitation, June 27, 2002 |
| SRM 2260 |
Aromatic Hydrocarbons in Toulene |
| SRM 2261 |
Chlorinated Pesticides in Hexane, December 10, 1998 |
| SRM 2292 |
Methyl t-Butyl Ether in Reference Gasoline |
| SRM 2297 |
Reformulated Gasoline, January 24, 2006 |
| SRM 2350 |
Nickel Step Test |
| SRM 2381 |
Morphine and Codeine in Urine, February 28, 1992 |
| SRM 2382 |
Morphine Glucuronide in Urine, February 28, 1992 |
| SRM 2383 |
Baby Food Composite, November 16, 2007 |
| SRM 2384 |
Baking Chocolate, September 28, 2004 |
| SRM 2387 |
Peanut Butter, September 29, 2004 |
| SRM 2389 |
Amino Acids in 0.1 mol/L Hydrochloric Acid, December 6, 1993 |
| SRM 2389 |
Amino Acids in 0.1 mol/L Hydrochloric Acid, June 7, 2010 |
| SRM 2390 |
DNA Profiling Standard, August 10, 1992 |
| SRM 2391 |
PCR-Based DNA Profiling Standard |
| SRM 2391a |
PCR-Based DNA Profiling Standard |
| SRM 2392 |
Mitochondrial DNA Sequencing, December 29, 1999 |
| SRM 2392-I |
Mitochondrial DNA Sequencing, June 13, 2003 |
| SRM 2394 |
Heteroplasmic Mitochondrial DNA Mutation Detection Std, December 22, 2004 |
| SRM 2399 |
Fragile X Human DNA Triplet Repeat Standard, December 22, 2004 |
| SRM 2453 |
Hydrogen In Titanium Alloy, January 6, 2004 |
| SRM 2454 |
Hydrogen In Titanium Alloy, April 25, 2005 |
| SRM 2490 |
Non-Newtonian Polymer Solution for Rheology-Polyisobutylene in 2,6,10,14,Tetramethylpentadecane, September 18, 2001 |
| SRM 2491 |
Non-Newtonian Polymer Melt for Rheology, December 31, 2002 |
| SRM 2515 |
Wavelength Calibration Reference for 1595 nm to 1630 nm (Carbon Monoxide C-13/O-16), May 17, 2002 |
| SRM 2517 |
Wavelength Reference Absorption |
| SRM 2518 |
Polarization Mode Dispersion, March 1, 2000 |
| SRM 2519 |
Wavelength Reference Absorption, July 23, 1998 |
| SRM 2519a |
Wavelength Reference Absorption, April 11, 2005 |
| SRM 2520 |
Optical Fiber Diameter, January 25, 1993 |
| SRM 2522 |
Pin Gage for Optical Fiber Ferrules, March 7, 1996 |
| SRM 2524 |
Optical Fiber Chromatic Dispersion, February 3, 1997 |
| SRM 2525 |
Linear Retardance |
| SRM 2530-1 |
Ellipsometric Parameters and Derived Thickness |
| SRM 2530-2 |
Ellipsometric Parameters and Derived Thickness |
| SRM 2530-3 |
Ellipsometric Parameters and Derived Thickness |
| SRM 2531 |
Si/SiO2 Thickness 50 nm |
| SRM 2532 |
Si/SiO2 Thickness 100 nm |
| SRM 2533 |
Si/SiO2 Thickness 200 nm, July 15, 1992 |
| SRM 2534 |
Si/SiO2 Thickness 25 nm |
| SRM 2535 |
Si/SiO2 Thickness 14 nm |
| SRM 2536 |
Si/SiO2 Thickness 10 nm |
| SRM 2538 |
Polarization-Mode Dispersion (Non-Mode-Coupled), September 23, 2002 |
| SRM 2542 |
Silicon Resistivity |
| SRM 2544 |
Silicon Resistivity, September 6, 2002 |
| SRM 2545 |
Silicon Resistivity, November 3, 1997 |
| SRM 2547 |
Silicon Resistivity, December 15, 1997 |
| SRM 2547 |
Silicon Resistivity, March 31, 1999 |
| SRM 2551 |
Oxygen in Silicon |
| SRM 2555 |
Optical Fiber Coating Standard |
| SRM 2556 |
Recycled Pellet (Autocatalyst), July 9, 1993 |
| SRM 2557 |
Recycled Monolith (Autocatalyst), July 9, 1993 |
| SRM 2579 |
Lead Paint for XRF, March 1, 1993 |
| SRM 2582 |
Powdered Paint Nominal 200mg/kg Lead, May 2, 1996 |
| SRM 2583 |
Trace Elements in Indoor Dust, December 30, 1996 |
| SRM 2589 |
Powdered Paint Nominal 10% Lead, May 2, 1996 |
| SRM 2590 |
10-V Josephson Array Voltage Standard |
| SRM 2591 |
10-V Josephson Array Voltage Standard |
| SRM 2601 |
Crystalline Al2O3:Cr3+ (Ruby) Electron Paramagnetic Resonance Absorption Intensity Standard |
| SRM 2607 |
Carbon Dioxide and Nitrous Oxide in Air (Atmospheric Standard), November 7, 1988 |
| SRM 2608 |
Carbon Dioxide and Nitrous Oxide in Air (Atmospheric Standard), November 7, 1988 |
| SRM 2609 |
Carbon Dioxide and Nitrous Oxide in Air (Atmospheric Standard), November 7, 1988 |
| SRM 2610 |
Carbon Dioxide and Nitrous Oxide in Air (Atmospheric Standard), November 7, 1988 |
| SRM 2612 |
Carbon Monoxide in Air, January 26, 1979 |
| SRM 2612a |
Carbon Monoxide in Air, July 25, 2001 |
| SRM 2613 |
Carbon Monoxide in Air, January 26, 1979 |
| SRM 2613a |
Carbon Monoxide in Air, March 27, 1990 |
| SRM 2614 |
Carbon Monoxide in Air, January 26, 1979 |
| SRM 2614a |
Carbon Monoxide in Air, July 24, 2001 |
| SRM 2619a |
CO2/N2, 0.5 % mol/mol, August 31, 2000 |
| SRM 2620a |
Carbon Dioxide in Nitrogen, October 13, 2000 |
| SRM 2620a |
Carbon Dioxide in Nitrogen, October 28, 2003 |
| SRM 2626a |
Carbon Dioxide in Nitrogen |
| SRM 2627 |
Nitric Oxide in Nitrogen |
| SRM 2628 |
Nitric Oxide in Nitrogen |
| SRM 2629 |
Nitric Oxide in Nitrogen |
| SRM 2631 |
Nitric Oxide in Nitrogen |
| SRM 2631a |
Nitric Oxide in Nitrogen, November 14, 1995 |
| SRM 2632 |
Carbon Dioxide in Nitrogen |
| SRM 2632a |
Carbon Dioxide in Nitrogen (Nominal Concentration: 300 µmol/mol (ppm) |
| SRM 2633 |
Carbon Dioxide in Nitrogen |
| SRM 2634 |
Carbon Dioxide in Nitrogen |
| SRM 2635 |
Carbon Monoxide in Nitrogen |
| SRM 2636 |
Carbon Monoxide in Nitrogen |
| SRM 2636a |
Carbon Monoxide in Nitrogen |
| SRM 2637 |
Carbon Monoxide in Nitrogen |
| SRM 2638 |
Carbon Monoxide in Nitrogen |
| SRM 2639 |
Carbon Monoxide in Nitrogen |
| SRM 2640 |
Carbon Monoxide in Nitrogen |
| SRM 2641 |
Carbon Monoxide in Nitrogen |
| SRM 2642 |
Carbon Monoxide in Nitrogen |
| SRM 2645 |
Propane in Nitrogen (Nominal Concentration 500 ppm) |
| SRM 2646 |
Propane in Nitrogen (Nominal Concentration 1000 ppm) |
| SRM 2647 |
Propane in Nitrogen (Nominal Concentration 2500 ppm) |
| SRM 2648a |
Propane in Nitrogen (Nominal Concentration 5000 ppm), March 3, 2003 |
| SRM 2649a |
Propane in Nitrogen, 1 mole percent, September 1, 1990 |
| SRM 2650 |
Propane in Nitrogen, 2 mole percent, May 30, 1980 |
| SRM 2651 |
Propane in Nitrogen and Oxygen (Nominal 100 µmol/mol Propane and 5 mole percent Oxygen) |
| SRM 2652 |
Propane in Nitrogen and Oxygen (Nominal 100 µmol/mol Propane and 10 mole percent Oxygen), June 7, 1982 |
| SRM 2653 |
Nitrogen Dioxide in Air (Nominal Concentration 250 ppm) |
| SRM 2654 |
Oxides of Nitrogen (NOx) in Air |
| SRM 2655 |
Oxides of Nitrogen (NOx) in Air, June 7, 1982 |
| SRM 2656 |
NOx/Air, 2500 µmol/mol June 7, 1982 |
| SRM 2657 |
Oxygen in Nitrogen (Gas Standard) |
| SRM 2657a |
Oxygen in Nitrogen (Gas Standard), September 19, 2005 |
| SRM 2658 |
Oxygen in Nitrogen (Gas Standard) |
| SRM 2658a |
Oxygen in Nitrogen (Gas Standard), September 19, 2005 |
| SRM 2659 |
Oxygen in Nitrogen 21 Mole Percent (Nominal) |
| SRM 2659a |
Oxygen in Nitrogen 21 Mole Percent (Nominal), March 3, 2003 |
| SRM 2660 |
Oxides of Nitrogen (NOx) in Air (Nominal Concentration 100 µmol/mol) |
| SRM 2660a |
Total Oxides of Nitrogen in Air, 100 umol/mol, January 29, 2004 |
| SRM 2661 |
Benzene on Charcoal |
| SRM 2661b |
Benzene on Charcoal |
| SRM 2661c |
Benzene on Charcoal |
| SRM 2662 |
m-Xylene on Charcoal |
| SRM 2663 |
p-Dioxane on Charcoal |
| SRM 2664 |
1,2-Dichloroethane on Charcoal |
| SRM 2665 |
ChlorofoRM on Charcoal |
| SRM 2666 |
Trichloroethylene on Charcoal |
| SRM 2667 |
Carbon Tetrachloride on Charcoal |
| SRM 2670 |
Toxic Metal in Freeze-Dried Urine, April 23, 1993 |
| SRM 2671 |
Freeze Dried Urine Certified for Urine |
| SRM 2671a |
Fluorine in Freeze-Dried Urine, December 29, 1982 |
| SRM 2672 |
Freeze Dried Urine Certified for Mercury |
| SRM 2672a |
Freeze Dried Urine Certified for Mercury, May 16, 1983 |
| SRM 2673 |
Sulfate and Nitrate on Filter Media |
| SRM 2674 |
Lead on Filter Media |
| SRM 2675 |
Beryllium on Filter Media |
| SRM 2676 |
Metals on Filter Media (Pb, Zn, Cd, Mn) |
| SRM 2676a |
Metals on Filter Media (Cd, Mn, Pb, Zn) |
| SRM 2676b |
Metals on Filter Media (Cd, Mn, Pb, Zn) |
| SRM 2676c |
Metals on Filter Media |
| SRM 2676d |
Metals on Filter Media, August 17, 1992 |
| SRM 2677 |
Beryllium and Arsenic onf Filter Media, October 1, 1985 |
| SRM 2677a |
Beryllium and Arsenic onf Filter Media, May 1, 1990 |
| SRM 2677a |
Beryllium and Arsenic onf Filter Media, February 8, 1994 |
| SRM 2679 |
Quartz on Filter Media |
| SRM 2679a |
Quartz on Filter Media |
| SRM 2682, 2683, 268 |
Sulfur in Coal, October 30, 1987 |
| SRM 2682a |
Sulfur in Coal, 0.5 %, May 3, 1994 |
| SRM 2683a |
Sulfur in Coal, November 13, 1992 |
| SRM 2683b |
Bituminous Coal (Sulfur and Mercury), August 9, 2007 |
| SRM 2684a |
Sulfur in Coal, June 30, 1992 |
| SRM 2684b |
Sulfur in Coal, February 6, 2001 |
| SRM 2685a |
Sulfur in Coal, May 3, 1994 |
| SRM 2685b |
Sulfur and Mercury in Coal, May 21, 2007 |
| SRM 2686 |
Portland Cement Clinker, February 4, 2002 |
| SRM 2689, 2690, 269 |
Coal Fly Ashes, October 1, 1986 |
| SRM 2692 |
Sulfur in Coal, November 15, 1988 |
| SRM 2692a |
Sulfur in Coal, January 26, 1994 |
| SRM 2692b |
Sulfur in Coal, February 6, 2001 |
| SRM 2692b |
Bituminous Coal (Sulfur, Mercury, and Chlorine), August 8, 2007 |
| SRM 2694 |
Simulated Rainwater |
| SRM 2694a |
Simulated Rainwater, February 15, 1995 |
| SRM 2702 |
Inorganics in Marine Sediment, December 03, 2002 |
| SRM 2704 |
Buffalo River Sediment, June 1, 1988 |
| SRM 2708 |
Zinc Sulfide Thin Film on Polycarbonate for X-ray Fluorescence Spectrometry |
| SRM 2709 |
San Joaquin Soil Baseline Trace Element Concentrations, January 18, 2002 |
| SRM 2709 |
San Joaquin Soil, July 18, 2003 |
| SRM 2709, 2710, 271 |
Addendum, August 23, 1993 |
| SRM 2710 |
Montana I Soil, July 18, 2003 |
| SRM 2710 |
Montana Soil, January 18, 2002 |
| SRM 2711 |
Montana II Soil, January 18, 2002 |
| SRM 2711 |
Montana II Soil, July 18, 2003 |
| SRM 2712 |
Lead in Reference Fuel, October 28, 1988 |
| SRM 2717 |
Sulfur in Residual Fuel Oil |
| SRM 2717a |
Sulfur in Residual Fuel Oil, March 1, 2006 |
| SRM 2719 |
Calcined Petroleum Coke, May 20, 2002 |
| SRM 2721 |
Crude Oil (Light-Sour), July 1, 2003 |
| SRM 2722 |
Crude Oil (Heavy-Sweet), July 1, 2002 |
| SRM 2723a |
Sulfur in Diesel Fuel Oil, February 12, 2004 |
| SRM 2724 |
Sulfur in Diesel Fuel Oil, August 17, 1992 |
| SRM 2724a |
Sulfur in Diesel Fuel Oil, August 24,1995 |
| SRM 2724b |
Sulfur in Diesel Fuel Oil, November 29, 2004 |
| SRM 2725 |
Carbon Monoxide and Propane in Nitrogen (Auto Emission Inspection/Maintenance Gas) |
| SRM 2726 |
Carbon Monoxide and Propane in Nitrogen (Auto Emission Inspection/Maintenance Gas) |
| SRM 2727 |
Carbon Dioxide, Carbon Monoxide, and Propane in Nitrogen, April 10, 1992 |
| SRM 2728 |
Carbon Dioxide, Carbon Monoxide, and Propane in Nitrogen (Auto Emission Inspection/ Maintenance Gas) |
| SRM 2730 |
Hydrogen Sulfide in Nitrogen, April 10, 1998 |
| SRM 2731 |
Hydrogen Sulfide in Nitrogen, April 10, 1998 |
| SRM 2731 |
Hydrogen Sulfide in Nitrogen, July 19, 2001 |
| SRM 2735 |
Nitric Oxide in Nitrogen, March 10, 1998 |
| SRM 2736 |
Nitric Oxide in Nitrogen, September 1, 1990 |
| SRM 2736a |
Nitric Oxide in Nitrogen, May 1, 2006 |
| SRM 2740 |
Carbon Monoxide in Nitrogen, Nominal Concentration: 10 mole percent, September 1, 1990 |
| SRM 2740a |
Carbon Monoxide in Nitrogen, Nominal Concentration: 10 mole percent, July 1, 2003 |
| SRM 2741 |
Carbon Monoxide in Nitrogen, Nominal Concentration: 13 mole percent |
| SRM 2745 |
Carbon Dioxide in Nitrogen, July 25, 1996 |
| SRM 2750 |
Methane in Air, Fraction 50, January 16, 2003 |
| SRM 2751 |
Methane in Air, Fraction 100, January 27, 2003 |
| SRM 2764 |
Propane in Air, December 26, 2000 |
| SRM 2770 |
Sulfur in Diesel Fuel Oil, March 10, 2005 |
| SRM 2775 |
Sulfur in Foundry Coke, May 1, 1997 |
| SRM 2776 |
Sulfur in Furnace Coke, March 19, 1998 |
| SRM 2798 |
Vickers Microhardness of Nickel |
| SRM 2806 |
Medium Test Dust (MTD) in Hydraulic Fluid |
| SRM 2810 |
Rockwell C Scale Hardness - Low Range, October 16, 2001 |
| SRM 2811 |
Rockwell C Scale Hardness - Mid Range, May 26, 2005 |
| SRM 2812 |
Rockwell C Scale Hardness - High Range, May 26, 2005 |
| SRM 2888 |
Polystyrene |
| SRM 2899 |
Ethanol-Water Solution, (nom. 25%) |
| SRM 2910 |
Calcium Hydroxyapatite, November 3, 1997 |
| SRM 2921 |
Human Cardiac Troponin Complex, April 30, 2004 |
| SRM 2930 |
Glass Filters for Spectrophotometry, August 17, 2004 |
| SRM 2974 |
Organics in Freeze-Dried Mussel Tissue |
| SRM 2978 |
Mussel Tissue Organic Contaminates-Raritan Bay, NJ |
| SRM 3001 |
Toulene in Methanol, June 15, 2001 |
| SRM 3002 |
Ethylbenzene in Methanol, June 15, 2001 |
| SRM 3003 |
o-Xylene in Methanol, June 15, 2001 |
| SRM 3004 |
o-Xylene in Methanol, June 15, 2001 |
| SRM 3005 |
p-Xylene in Methanol, June 18, 2001 |
| SRM 3006 |
Carbon Tetrachloride in Methanol, June 18, 2001 |
| SRM 3008 |
Methylene Chloride in Methanol, January 10, 2002 |
| SRM 3009 |
1,2-Dichloropropane in Methanol, October 3, 2001 |
| SRM 3010 |
Tetrachloroethene (Tetrachloroethylene) in Methanol, August 31, 2001 |
| SRM 3011 |
1,1,1-Trichloroethane in Methanol, October 3, 2001 |
| SRM 3012 |
1,2-Dichloroethane in Methanol, January 7, 2002 |
| SRM 3014 |
1,2,3-Trichloropropane in Methanol, October 10, 2001 |
| SRM 3015 |
Isopropylbenzene in Methanol, January 18, 2002 |
| SRM 3016 |
sec-Butylbenzene in Methanol, October 24, 2001 |
| SRM 3061 |
Chloral Hydrate in Methanol |
| SRM 3063 |
Dioxin in Methanol |
| SRM 3065 |
Chlorinated Herbicides 1 in Methanol |
| SRM 3066 |
Chlorinated Herbicides 2 in Methanol |
| SRM 3069 |
Organochlorine Pesticides I in Acetone |
| SRM 3070 |
Organochlorine Pesticides II in Acetone |
| SRM 3071 |
Glyphosate |
| SRM 3072 |
Diquat Dibromide in Water |
| SRM 3074 |
Phthalates in Methanol, April 19, 2006 |
| SRM 3075 |
Aroclor 1016 in Transformer Oil, May 23, 2003 |
| SRM 3076 |
Aroclor 1232 in Transformer Oil, May 23, 2003 |
| SRM 3077 |
Aroclor 1242 in Transformer Oil, May 23, 2003 |
| SRM 3078 |
Aroclor 1248 in Transformer Oil, July 15, 2005 |
| SRM 3079 |
Aroclor 1252 in Transformer Oil, May 23, 2003 |
| SRM 3080 |
Aroclor 1260 in Transformer Oil, July 15, 2005 |
| SRM 3081 |
Aroclor 1016 in Transformer Oil, May 14, 2003 |
| SRM 3082 |
Aroclor 1232 in Transformer Oil, May 14, 2003 |
| SRM 3083 |
Aroclor 1242 in Methanol, May 14, 2003 |
| SRM 3084 |
Aroclor 1248 in Methanol, May 14, 2003 |
| SRM 3085 |
Aroclor 1254 in Methanol, May 14, 2003 |
| SRM 3086 |
Aroclor 1260 in Methanol, May 14, 2003 |
| SRM 3087 |
Metals on Filter Media |
| SRM 3087a |
Metals on Filter Media |
| SRM 3090 |
Aroclors in Transformer Oil (SRMs 3075 to 3080), May 23, 2003 |
| SRM 3091 |
Aroclors in Methanol Oil (SRMs 3081 to 3086), May 23, 2003 |
| SRM 3101 |
Spectrometric Standard Solution Aluminum, January 7, 1990 |
| SRM 3101a |
Spectrometric Standard Solution Aluminum, September 25, 2003 |
| SRM 3102 |
Spectrometric Standard Solution Antimony, April 14, 1989 |
| SRM 3102a |
Spectrometric Standard Solution Antimony, August 2, 1999 |
| SRM 3103 |
Spectrometric Standard Solution Arsenic, March 1, 1989 |
| SRM 3103a |
Spectrometric Standard Solution Arsenic, January 15, 20 |
| SRM 3103a |
Spectrometric Standard Solution Arsenic, April 12, 2006 |
| SRM 3104 |
Spectrometric Standard Solution Barium, April 4, 1991 |
| SRM 3104a |
Spectrometric Standard Solution Barium, June 2, 2005 |
| SRM 3105 |
Beryllium Standard Solution, April 14, 1989 |
| SRM 3105a |
Beryllium Standard Solution, November 17, 2003 |
| SRM 3106 |
Bismuth Standard Solution, May 11, 2000 |
| SRM 3107 |
Boron Standard Solution, October 27, 2003 |
| SRM 3108 |
Cadmium Standard Solution, October 29, 2003 |
| SRM 3109 |
Spectrometric Standard Solution Calcium, September 11, 1989 |
| SRM 3109a |
Spectrometric Standard Solution Calcium, June 17, 1993, Batch Code 39005 |
| SRM 3109a |
Spectrometric Standard Solution Calcium,July 6, 1994, Batch Code 492005 |
| SRM 3109a |
Spectrometric Standard Solution Calcium, June 22, 1995, Batch Code 591605 |
| SRM 3109a |
Spectrometric Standard Solution Calcium, November 15, 1996, Lot 690808 |
| SRM 3109a |
Spectrometric Standard Solution Calcium, March 5, 2001 |
| SRM 3109a |
Spectrometric Standard Solution Calcium, Lot No 000613 July 16, 2001 |
| SRM 3109a |
Spectrometric Standard Solution Calcium, Lot No 000622 July 16, 2001 |
| SRM 3109a |
Spectrometric Standard Solution Calcium,July 26, 2006, Lot 050825 |
| SRM 3110 |
Spectrometric Standard Solution Cerium, September 1, 1998 |
| SRM 3110 |
Spectrometric Standard Solution Cerium, November 1, 2007 |
| SRM 3111 |
Spectrometric Standard Solution Cesium, April 4, 1991 |
| SRM 3111a |
Spectrometric Standard Solution Cesium, May 17, 1993, Batch Code 392604 |
| SRM 3111a |
Spectrometric Standard Solution Cesium, February 13, 1995, Batch Code 492909 |
| SRM 3111a |
Spectrometric Standard Solution Cesium, April 18, 2000, Lot 792210 |
| SRM 3111a |
Spectrometric Standard Solution Cesium, August 31, 1999 |
| SRM 3112 |
Spectrometric Standard Solution Chromium, November 28, 1990 |
| SRM 3112a |
Spectrometric Standard Solution Chromium, December 21, 1992 |
| SRM 3112a |
Spectrometric Standard Solution Chromium, April 1, 1994, Batch Code 491503 |
| SRM 3112a |
Spectrometric Standard Solution Chromium, June 22, 1995, Batch Code 590105 |
| SRM 3112a |
Spectrometric Standard Solution Chromium, October 11, 1996, Lot 692108 |
| SRM 3112a |
Spectrometric Standard Solution Chromium, June 1, 2004, Lot 990607 |
| SRM 3112a |
Spectrometric Standard Solution Chromium Lot #990607, July 10, 2007 |
| SRM 3113 |
Spectrometric Standard Solution Cobalt, December 21, 1993, Batch Code 391211 |
| SRM 3113 |
Spectrometric Standard Solution Cobalt, March 3, 1995, Batch Code 593101 |
| SRM 3113 |
Spectrometric Standard Solution Cobalt, May 15, 1996, Lot 692904 |
| SRM 3113 |
Spectrometric Standard Solution Cobalt, May 28, 1998, Lot 891102 |
| SRM 3113 |
Spectrometric Standard Solution Cobalt, April 18, 2000, Lot 891102 |
| SRM 3113 |
Spectrometric Standard Solution Cobalt, May 11, 2001, Lot 000630 |
| SRM 3114 |
Spectrometric Standard Solution Copper Lot #891811, July 10, 2007 |
| SRM 3114 |
Spectrometric Standard Solution Copper, April 15, 1993, Batch Code 391703 |
| SRM 3114 |
Spectrometric Standard Solution Copper, March 18, 1994, Batch Code 491802 |
| SRM 3114 |
Spectrometric Standard Solution Copper, May 8, 1995, Batch Code 592803 |
| SRM 3114 |
Spectrometric Standard Solution Copper, April 8, 1997, Lot 791601 |
| SRM 3114 |
Spectrometric Standard Solution Copper, March 1, 1999, Lot 891811 |
| SRM 3114 |
Spectrometric Standard Solution Copper, December 7, 2001, Lot 891811 |
| SRM 3114 |
Spectrometric Standard Solution Copper, December 5, 2003, Lot 891811 |
| SRM 3115 |
Spectrometric Standard Solution Dysprosium, September 25, 1992 |
| SRM 3115a |
Spectrometric Standard Solution Dysprosium, December 27, 1993, Batch Code 391810 |
| SRM 3115a |
Spectrometric Standard Solution Dysprosium, June 21, 1995, Batch Code 591505 |
| SRM 3115a |
Spectrometric Standard Solution Dysprosium, April 16, 1996, Batch Code 691303 |
| SRM 3115a |
Spectrometric Standard Solution Dysprosium, June 1, 2004, Lot 990504 |
| SRM 3116 |
Spectrometric Standard Solution Erbium, September 25, 1992 |
| SRM 3116a |
Spectrometric Standard Solution Erbium, December 21, 1993, Batch Code 391910 |
| SRM 3116a |
Spectrometric Standard Solution Erbium,June 22, 1995, Batch Code 591005 |
| SRM 3116a |
Spectrometric Standard Solution Erbium, September 10, 1996, Batch Code 691906 |
| SRM 3116a |
Spectrometric Standard Solution Erbium, October 24, 2000, Lot 000831 |
| SRM 3117 |
Spectrometric Standard Solution Europium, September 25, 1992 |
| SRM 3117a |
Spectrometric Standard Solution Europium, January 11, 1994, Batch Code 391512 |
| SRM 3117a |
Spectrometric Standard Solution Europium, August 4, 1995, Batch Code 590206 |
| SRM 3117a |
Spectrometric Standard Solution Europium, October 11, 1996, Lot 691607 |
| SRM 3117a |
Spectrometric Standard Solution Europium, September 13, 2000, Lot 991307 |
| SRM 3118 |
Spectrometric Standard Solution Gadolinium, September 25, 1992 |
| SRM 3118a |
Spectrometric Standard Solution Gadolinium, January 11, 1994, Batch Code 392212 |
| SRM 3118a |
Spectrometric Standard Solution Gadolinium, July 30, 1996, Batch Code 692005 |
| SRM 3118a |
Spectrometric Standard Solution Gadolinium, May 17, 2000, Lot 992004 |
| SRM 3119 |
Spectrometric Standard Solution Gallium, March 1, 1989 |
| SRM 3119a |
Spectrometric Standard Solution Gallium, May 8, 1995, Batch Code 591703 |
| SRM 3119a |
Spectrometric Standard Solution Gallium, June 28, 1996 Batch Code 692905 |
| SRM 3119a |
Spectrometric Standard Solution Gallium, November 12, 2003, Lot 890709 |
| SRM 3120 |
Spectrometric Standard Solution Germanium, November 17, 1994, Batch Code 493008 |
| SRM 3120 |
Spectrometric Standard Solution Germanium, February 20, 1996, Batch Code 692401 |
| SRM 3120 |
Spectrometric Standard Solution Germanium, March 25, 1997, Lot 791102 |
| SRM 3120 |
Spectrometric Standard Solution Germanium, May 18, 1988 |
| SRM 3120a |
Spectrometric Standard Solution Germanium, July 14, 2000 |
| SRM 3121 |
Spectrometric Standard Solution Gold, September 1, 1993, Batch Code 390908 |
| SRM 3121 |
Spectrometric Standard Solution Gold, February 13, 1995, Batch Code 591701 |
| SRM 3121 |
Spectrometric Standard Solution Gold, July 19, 1996, Batch Code 690406 |
| SRM 3121 |
Spectrometric Standard Solution Gold, March 5, 1997, Lot 691012 |
| SRM 3121 |
Spectrometric Standard Solution Gold, May 15, 1997, Lot 691012 |
| SRM 3121 |
Spectrometric Standard Solution Gold, June 2, 2005, Lot 991806 |
| SRM 3122 |
Spectrometric Standard Solution Hafnium, March 2, 1994, Batch Code 490402 |
| SRM 3122 |
Spectrometric Standard Solution Hafnium, January 23, 1996, Batch Code 592811 |
| SRM 3122 |
Spectrometric Standard Solution Hafnium, September 13, 2000, Lot 000406 |
| SRM 3123 |
Spectrometric Standard Solution Holmium, September 25, 1992 |
| SRM 3123a |
Spectrometric Standard Solution Holmium, January 11, 1994, Batch Code 391612 |
| SRM 3123a |
Spectrometric Standard Solution Holmium, August 3, 1995, Batch Code 590106 |
| SRM 3123a |
Spectrometric Standard Solution Holmium, October 17, 2003, Lot 790812 |
| SRM 3124 |
Spectrometric Standard Solution Indium, December 22, 1986 |
| SRM 3124 |
Spectrometric Standard Solution Indium, July 27, 1992 |
| SRM 3124a |
Spectrometric Standard Solution Indium, January 22, 1993 |
| SRM 3124a |
Spectrometric Standard Solution Indium, January 10, 1994 |
| SRM 3124a |
Spectrometric Standard Solution Indium, February 13, 1995 |
| SRM 3124a |
Spectrometric Standard Solution Indium, March 21, 1996, Lot 692802 |
| SRM 3124a |
Spectrometric Standard Solution Indium, January 31, 1997, Lot 690312 |
| SRM 3124a |
Spectrometric Standard Solution Indium, October 26, 2004, Lot 991219 |
| SRM 3126 |
Spectrometric Standard Solution Iron, February 23, 1990 |
| SRM 3126a |
Spectrometric Standard Solution Iron, November 18, 1993, Batch Code 390710 |
| SRM 3126a |
Spectrometric Standard Solution Iron, November 28, 1994, Batch Code 491310 |
| SRM 3126a |
Spectrometric Standard Solution Iron, March 27, 1996, Batch Code 692902 |
| SRM 3126a |
Spectrometric Standard Solution Iron, January 24, 2000, Lot 792411 |
| SRM 3126a |
Spectrometric Standard Solution Iron, June 1, 2004, Lot 000606 |
| SRM 3127 |
Spectrometric Standard Solution Lanthanum |
| SRM 3127a |
Spectrometric Standard Solution Lanthanum, January 22, 1993 |
| SRM 3127a |
Spectrometric Standard Solution Lanthanum, July 28, 1993, Batch Code 392506 |
| SRM 3127a |
Spectrometric Standard Solution Lanthanum, January 24, 1995, Batch Code 490712 |
| SRM 3127a |
Spectrometric Standard Solution Lanthanum, July 30, 1996, Batch Code 691806 |
| SRM 3127a |
Spectrometric Standard Solution Lanthanum, January 4, 2005, Lot 890402 |
| SRM 3128 |
Spectrometric Standard Solution Lead, February 6, 1991 |
| SRM 3128 |
Spectrometric Standard Solution Lead, March 18, 1994, Batch Code 490103 |
| SRM 3128 |
Spectrometric Standard Solution Lead, June 13, 1995, Batch Code 592104 |
| SRM 3128 |
Spectrometric Standard Solution Lead, May 28, 1997, Lot 790704 |
| SRM 3128 |
Spectrometric Standard Solution Lead, June 10, 1999, Lot 991504 |
| SRM 3128 |
Spectrometric Standard Solution Lead September 26, 2005, Lot 030721 |
| SRM 3128 |
Spectrometric Standard Solution Lead December 5, 2003, Lot 991504 |
| SRM 3129 |
Spectrometric Standard Solution Lithium, August 11, 1989 |
| SRM 3129a |
Spectrometric Standard Solution Lithium, April 5, 1993, Batch Code 390104 |
| SRM 3129a |
Spectrometric Standard Solution Lithium, March 2, 1994, Batch Code 490102 |
| SRM 3129a |
Spectrometric Standard Solution Lithium, June 6, 1996, Batch Code 590712 |
| SRM 3129a |
Spectrometric Standard Solution Lithium, April 18, 2000, Lot 792005 |
| SRM 3129a |
Spectrometric Standard Solution Lithium, February 3, 2005, Lot 000505 |
| SRM 3130 |
Spectrometric Standard Solution Lithium, September 25, 1992 |
| SRM 3130a |
Spectrometric Standard Solution Lithium, January 11, 1994, Batch Code 391712 |
| SRM 3130a |
Spectrometric Standard Solution Lithium, July 20, 1995, Batch Code 590507 |
| SRM 3130a |
Spectrometric Standard Solution Lithium, December 22, 2003, Lot 892704 |
| SRM 3131 |
Spectrometric Standard Solution Magnesium, November 3, 1986 |
| SRM 3131 |
Spectrometric Standard Solution Magnesium, September 29, 1989 |
| SRM 3131a |
Spectrometric Standard Solution Magnesium, February 16, 1993 |
| SRM 3131a |
Spectrometric Standard Solution Magnesium, April 1, 1994, Batch Code 491403 |
| SRM 3131a |
Spectrometric Standard Solution Magnesium, May 4, 1995,Batch Code 590203 |
| SRM 3131a |
Spectrometric Standard Solution Magnesium, May 2, 1996, Lot 692903 |
| SRM 3131a |
Spectrometric Standard Solution Magnesium, January 29, 1997, Lot 692911 |
| SRM 3131a |
Spectrometric Standard Solution Magnesium, October 27, 2003, Lot 991107 |
| SRM 3132 |
Spectrometric Standard Solution Manganese, December 22, 1986 |
| SRM 3132 |
Spectrometric Standard Solution Manganese, March 1, 1989 |
| SRM 3132 |
Spectrometric Standard Solution Manganese, May 26, 1993, Batch Code 390305 |
| SRM 3132 |
Spectrometric Standard Solution Manganese, June 1, 1994, Batch Code 490305 |
| SRM 3132 |
Spectrometric Standard Solution Manganese, October 18, 1995, Batch Code 592609 |
| SRM 3132 |
Spectrometric Standard Solution Manganese, January 4, 2005, Lot 890903 |
| SRM 3132 |
Spectrometric Standard Solution Manganese, August 8, 2006, Lot 050429 |
| SRM 3132 |
Spectrometric Standard Solution Manganese, October 24, 2007, Lot 890903 |
| SRM 3135 |
Spectrometric Standard Solution Neodymium |
| SRM 3139 |
Spectrometric Standard Solution Phosphorus, November 3, 1986 |
| SRM 3139 |
Phosphorus Standard Solution, August 11, 1989 |
| SRM 3139a |
Phosphorus Standard Solution Lot 890607, October 29, 2003 |
| SRM 3140 |
Spectrometric Standard Solution Platinum, November 3, 1986 |
| SRM 3140 |
Spectrometric Standard Solution Platinum, March 20, 1991 |
| SRM 3140 |
Spectrometric Standard Solution Platinum, Lot 491504, May 26, 1993 |
| SRM 3140 |
Spectrometric Standard Solution Platinum, Lot 390305, May 3 1994 |
| SRM 3140 |
Spectrometric Standard Solution Platinum, Lot 591708, September 21, 1995 |
| SRM 3140 |
Spectrometric Standard Solution Platinum, Lot 791905, October 25, 1999 |
| SRM 3140 |
Spectrometric Standard Solution Platinum, Lot 000615, February 3, 2005 |
| SRM 3141 |
Potassium Standard Solution, August 11, 1989 |
| SRM 3141a |
Potassium Standard Solution, December 21, 1992 |
| SRM 3141a |
Potassium Standard Solution Lot 493101, February 22, 1994 |
| SRM 3141a |
Potassium Standard Solution Lot 690612, March 5, 1997 |
| SRM 3141a |
Potassium Standard Solution Lot 891312, October 27, 2003 |
| SRM 3141a |
Potassium Standard Solution Lot 891312, April 23, 2007 |
| SRM 3142 |
Spectrometric Standard Solution Praseodymium, December 21, 1989 |
| SRM 3142a |
Spectrometric Standard Solution Praseodymium, January 22, 1993 |
| SRM 3142a |
Spectrometric Standard Solution Praseodymium Lot #491108, September 21, 1994 |
| SRM 3142a |
Spectrometric Standard Solution Praseodymium, February 6, 1996 |
| SRM 3142a |
Spectrometric Standard Solution Praseodymium, December 5, 2003, Lot 990501 |
| SRM 3143 |
Spectrometric Standard Solution Rhenium, July 27, 1988 |
| SRM 3143 |
Spectrometric Standard Solution Rhenium, April 11, 1991 |
| SRM 3143 |
Spectrometric Standard Solution Rhenium, October 26, 1993, Batch Code 392109 |
| SRM 3143 |
Spectrometric Standard Solution Rhenium, September 20, 1995, Batch Code 593107 |
| SRM 3143 |
Spectrometric Standard Solution Rhenium, March 25, 1997, Lot 791202 |
| SRM 3143 |
Spectrometric Standard Solution Rhenium, October 30, 2001, Lot 010816 |
| SRM 3144 |
Spectrometric Standard Solution Rhodium, December 21, 1992 |
| SRM 3144 |
Spectrometric Standard Solution Rhodium Lot 490906, August 11, 1994 |
| SRM 3144 |
Spectrometric Standard Solution Rhodium, Lot 490512, January 24, 1995 |
| SRM 3144 |
Spectrometric Standard Solution Rhodium, Lot 591906, August 2, 1995 |
| SRM 3145 |
Spectrometric Standard Solution Rubidium, November 3, 1986 |
| SRM 3145 |
Spectrometric Standard Solution Rubidium, April 11, 1991 |
| SRM 3145 |
Spectrometric Standard Solution Rubidium, September 25, 1992 |
| SRM 3145 |
Spectrometric Standard Solution Rubidium, Lot 891203, October 27, 2003 |
| SRM 3147 |
Spectrometric Standard Solution Samarium, September 25, 1992 |
| SRM 3147 |
Spectrometric Standard Solution Samarium, March 17, 1987 |
| SRM 3147a |
Spectrometric Standard Solution Samarium, August 23, 1995 |
| SRM 3147a |
Spectrometric Standard Solution Samarium Lot # 892911, February 15, 2000 |
| SRM 3147a |
Spectrometric Standard Solution Samarium Lot # 892911, December 5, 2003 |
| SRM 3148 |
Spectrometric Standard Solution Scandium, March 17, 1987 |
| SRM 3148 |
Spectrometric Standard Solution Scandium, September 25, 1992 |
| SRM 3148 |
Spectrometric Standard Solution Scandium, March 17, 1987 |
| SRM 3148a |
Spectrometric Standard Solution Scandium, August 11,1994 |
| SRM 3148a |
Spectrometric Standard Solution Scandium, July 20, 1995 |
| SRM 3148a |
Spectrometric Standard Solution Scandium Lot #791610, August 4, 1998 |
| SRM 3148a |
Spectrometric Standard Solution Scandium Lot #792111, July 13, 2000 |
| SRM 3148a |
Spectrometric Standard Solution Scandium Lot #792111, November 12, 2003 |
| SRM 3149 |
Spectrometric Standard Solution Selenium, December 22, 1986 |
| SRM 3149 |
Spectrometric Standard Solution Selenium, April 4, 1991 |
| SRM 3149 |
Spectrometric Standard Solution Selenium Lot #390608, September 1, 1993 |
| SRM 3149 |
Spectrometric Standard Solution Selenium Lot #492607, August 11, 1994 |
| SRM 3149 |
Spectrometric Standard Solution Selenium Lot #693101, March 6, 1996 |
| SRM 3149 |
Spectrometric Standard Solution Selenium, Lot #690912, April 4, 1997 |
| SRM 3149 |
Spectrometric Standard Solution Selenium, Lot #992106, September 2, 1999 |
| SRM 3149 |
Spectrometric Standard Solution Selenium, Lot #992106, June 1, 2004 |
| SRM 3150 |
Spectrometric Standard Solution Silicon, December 22, 1986 |
| SRM 3150 |
Spectrometric Standard Solution Silicon, August 11, 1989 |
| SRM 3150 |
Spectrometric Standard Solution Silicon, March 15, 1993 |
| SRM 3150 |
Spectrometric Standard Solution Silicon, July 6, 1994 |
| SRM 3150 |
Spectrometric Standard Solution Silicon Lot #490404, February 13, 1995 |
| SRM 3150 |
Spectrometric Standard Solution Silicon Lot #592009, October 19, 1995 |
| SRM 3150 |
Spectrometric Standard Solution Silicon Lot # 791504, May 19, 1997 |
| SRM 3150 |
Spectrometric Standard Solution Silicon Lot # 991108, May 24, 2000 |
| SRM 3151 |
Spectrometric Standard Solution Silver, December 22, 1986 |
| SRM 3151 |
Spectrometric Standard Solution Silver, August 11, 1989 |
| SRM 3151 |
Spectrometric Standard Solution Silver Lot #390207, August 24, 1993 |
| SRM 3151 |
Spectrometric Standard Solution Silver, August 11, 1994 |
| SRM 3151 |
Spectrometric Standard Solution Silver, September 21, 1995 |
| SRM 3151 |
Spectrometric Standard Solution Silver, October 26, 2004 |
| SRM 3152 |
Spectrometric Standard Solution Sodium |
| SRM 3153 |
Spectrometric Standard Solution Strontium |
| SRM 3157 |
Spectrometric Standard Solution Terbium |
| SRM 3160 |
Spectrometric Standard Solution Thulium |
| SRM 3161 |
Spectrometric Standard Solution Tin Batch Code 490804 |
| SRM 3162 |
Spectrometric Standard Solution Titanium |
| SRM 3166 |
Spectrometric Standard Solution Ytterbium |
| SRM 3167 |
Spectrometric Standard Solution Yttrium |
| SRM 3168 |
Spectrometric Standard Solution Zinc |
| SRM 3168a |
Spectrometric Standard Solution Zinc, Lot 001402 |
| SRM 3171 |
Multielement Mix D Standard Solution |
| SRM 3171a |
Multielement Mix A-1 Standard Solution |
| SRM 3172 |
Multielement Mix D Standard Solution |
| SRM 3172a |
Multielement Mix B-1 Standard Solution |
| SRM 3174 |
Multielement Mix D Standard Solution |
| SRM 3182 |
Chloride Anion Standard Solution Lot 990506, October 6, 2006 |
| SRM 3186 |
Phosphate Anion Solution |
| SRM 3193 |
Aqueous Electrolytic Conductivity Lot 032608 |
| SRM 3194 |
Aqueous Electrolytic Conductivity Lot 011511 |
| SRM 3195 |
Aqueous Electrolytic Conductivity 100,000 µS/cm |
| SRM 3196 |
Aqueous Electrolytic Conductivity 20,000 µS/cm |
| SRM 3200 |
Secondary Standard Magnetic Tape (Computer Amplitude Reference) |
| SRM 3201 |
Secondary Standard for 12.65 mm (0.5 in) Magnetic Tape Cartridge |
| SRM 3202 |
Secondary Standard for 12.65 mm (0.5 in) Magnetic Tape Cartridge |
| SRM 3203 |
Secondary Standard for 6.30 mm (0.25 in), 44 000 A/m (550 O/e) Magnetic Tape Cartridge |
| SRM 3204 |
Secondary Standard for 6.30 mm (0.25 in), 44 000 A/m (550 O/e) Magnetic Tape Cartridge |
| SRM 3210 |
Secondary Standard Flexible Disk Cartridge (Computer Amplitude Reference) |
| SRM 3216 |
Secondary Standard Magnetic Tape Cartridge |
| SRM 3217 |
Secondary Standard for 6.30 mm (0.25 in) Magnetic Tape Cartridge |
| SRM 4201 |
Gamma-Ray Standard Niobium-94 |
| SRM 4201b |
Niobium-94 Point Source |
| SRM 4202 |
Gamma-Ray Standard Cadmium-109-Silver-109m |
| SRM 4202-C |
Gamma Ray Standard Solution Cadmium-109-Silver-109m |
| SRM 4202D |
Gamma-Ray Standard Cadmium-109-Silver-109m |
| SRM 4203-B |
Gamma-Ray Point-Source Standard Cobalt-60 |
| SRM 4203-C |
Radioactivity Standard 60-Cobalt |
| SRM 4203D |
Cobalt-60 Radioactivity Standard |
| SRM 4205 |
Gamma-Ray Standard Throium-228-Thallium-208 |
| SRM 4206 |
Gamma-Ray Standard Throium-228-Thallium-208 |
| SRM 4206-B |
Gamma-Ray Standard Thorium-228-Thallium-208 |
| SRM 4206-C |
Gamma-Ray Point-Source Standard |
| SRM 4207 |
Cesium-137-Barium-137m Point-Source Radioactivity Standard |
| SRM 4208 |
Gamma-Ray Standard Mercury-203 |
| SRM 4208-B |
Gamma-Ray Standard Mercury-203 |
| SRM 4209 |
Gamma-Ray Standard Yttrium-88 |
| SRM 4209-C |
Radioactivity Standard |
| SRM 4210 |
Gamma Ray Standard Cobalt-60 |
| SRM 4211 |
Gamma-Ray Standard Americium-214 |
| SRM 4212 |
Gamma-Ray Standard Krypton-85 |
| SRM 4213 |
Gamma-Ray Americium-241 |
| SRM 4214-B |
Radioactivity Standard |
| SRM 4215 |
Mixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard |
| SRM 4215-B |
Mixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard |
| SRM 4215-C |
Mixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard |
| SRM 4215-F |
Mixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard |
| SRM 4216 |
Mixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard |
| SRM 4216-B |
Mixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard |
| SRM 4216-C |
Mixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard |
| SRM 4217 |
Gamma Ray Standard Silver-110m-Silver-110 |
| SRM 4218 |
Europium-152 Point Source Radioactivity Standard |
| SRM 4218-B |
Europium-152 Point Source Radioactivity Standard |
| SRM 4218-C |
Europium-152 Point Source Radioactivity Standard |
| SRM 4218-D |
Point Source Radioactivity Standard Europium-152 |
| SRM 4218-E |
Point Source Standard |
| SRM 4218f |
Europium-152 Point Source |
| SRM 4219-B |
Gamma Ray Solution Standard Cadmium-109-Silver-109m |
| SRM 4219C |
Radioactivity Standard |
| SRM 4221 |
Radioactivity Standard Mercury-197 |
| SRM 4222 |
Beta-Ray Standard |
| SRM 4222-B |
Radioactivty Standard |
| SRM 4222C |
Radioactivity Standard for Liquid Scintillation Counting |
| SRM 4224 |
Beta-Ray Standard |
| SRM 4225 |
Radioactivity Standard Tin-113-Indium-113m |
| SRM 4226 |
Radioactivity Standard Nickel-63 |
| SRM 4226-B |
Radioactivity Standard |
| SRM 4228 |
Radioactivity Standard Selenium-75 |
| SRM 4228-B |
Radioactivity Standard Selemenium-75 |
| SRM 4229 |
Radioactivity Standard Aluminum-26 |
| SRM 4232 |
Radioactivity Standard Silver-110m-Silver-110 |
| SRM 4233 |
Cesium-137 Burn-Up Standard |
| SRM 4233b |
Cesium-137 Burn-Up Standard |
| SRM 4233C |
Radioactivity Standard |
| SRM 4233d |
Cesium-137 Solution |
| SRM 4234 |
Radioactivity Standard Strontium-Yttrium-90 |
| SRM 4234a |
Radioactivity Standard Strontium-Yttrium-90 |
| SRM 4235 |
Radioactivity Standard Krypton-85 |
| SRM 4235-B |
Gaseous Radioactivity Standard |
| SRM 4237 |
Europium-152 Point-Source Activity Standard |
| SRM 4240 |
Radioactivity Standard Bismuth-207 |
| SRM 4241 |
Barium-133 Point-Source Activity Standard |
| SRM 4241b |
Radioactivity Point Source Standard |
| SRM 4241C |
Barium-133 Point Source |
| SRM 4242 |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4242-B |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4242-C |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4242-D |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4242-E |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4242-F |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4242H |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4243 |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4243-B |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4243-E |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4243-H |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4244 |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4244-B |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard |
| SRM 4249 |
Radioactivity Standard Barium-Lanthanum-140 |
| SRM 4250 |
Radioactivity Standard Cesium-134 |
| SRM 4250B |
Radioactivity Standard |
| SRM 4251 |
Barium-133 Radioactivity Standard |
| SRM 4251B |
Radioactivity Standard |
| SRM 4252 |
Mixed Radionuclide Radioactivity Standard |
| SRM 4253 |
Mixed Radionuclide Radioactivity Standard |
| SRM 4254 |
Mixed Radionuclide Gamma-Ray Emission-Rate Solution Standard |
| SRM 4254-B |
Mixed Radionuclide Gamma-Ray Emission-Rate Solution Standard |
| SRM 4254-C |
Mixed Radionuclide Gamma-Ray Emission-Rate Solution Standard |
| SRM 4257 |
Manganese-54 Radioactivity Standard |
| SRM 4260 |
Photon-Emission-Rate Standard Sample Iron-55 |
| SRM 4260-C |
Low-Energy Photon Standard |
| SRM 4261 |
K-X-Ray-Emission-Rate Standard Cadium-109 |
| SRM 4263 |
K-X-Ray-Emission-Rate Standard Strontium-85 |
| SRM 4264 |
Point-Source Gamma-Ray Emission-Rate Standard Tin-121m |
| SRM 4264-B |
Point-Source Gamma-Ray Emission-Rate Standard |
| SRM 4265 |
Photon-Emission-Rate Standard Iodine-125 |
| SRM 4265B |
Radioactivity Standard |
| SRM 4266 |
Low Energy Photon Standard |
| SRM 4267 |
Radioactivity Standard for Low-Energy-Photon-Efficiency and Reactor-Neutron-Dosimetry Calibrations |
| SRM 4275B |
Mixed Radionuclide Gamma-Ray Emission-Rate Standard for the Efficiency Calibration of Germanium Spectometer Systems |
| SRM 4276b |
Antimony-125-Tellurium-125m |
| SRM 4288 |
Radioactivity Standard |
| SRM 4288a |
Technetium-99 Radioactivity Standard, October, 1996 |
| SRM 4300 |
Argon-37 |
| SRM 4300-B |
Argon-37 Gaseous Radioactivity Standard |
| SRM 4301 |
Argon-37 |
| SRM 4302 |
Argon-39 Gaseous Radioactivity Standard |
| SRM 4305 |
Radioactivity Standard Xenon-131m |
| SRM 4306-B |
Xenon-133 |
| SRM 4307-B |
Gaseous Radioactivity Standard Xenon-133 |
| SRM 4307-C |
Xenon-133 Gaseous Radioactivity Standard |
| SRM 4307-D |
Xenon-133 Gaseous Radioactivity Standard |
| SRM 4307G |
Xenon-133 Gaseous Radioactivity Standard |
| SRM 4307H |
Gaseous Radioactivity Standard |
| SRM 4308 |
Krypton-85 Gamma-Ray Emission-Rate Gaseous Standard |
| SRM 4308-B |
Krypton-85 Gaseous Radioactivity Standard |
| SRM 4308-C |
Gaseous Radioactivity Standard Krypton-85 |
| SRM 4309 |
Xenon-127 Gaseous Radioactivity Standard |
| SRM 4309-B |
Xenon-127 Gaseous Radioactivity Standard |
| SRM 4309-C |
Xenon-127 Gaseous Radioactivity Standard |
| SRM 4309-F |
Gaseous Radioactivity Standard Xenon-127 |
| SRM 4309D |
Gaseous Radioactivity Standard Xenon-127 |
| SRM 4309E |
Gaseous Radioactivity Standard Xenon-127 |
| SRM 4310 |
Gaseous Radioactivity Standard Xenon-133, Xenon-127, Krypton-85 |
| SRM 4310-B |
Gaseous Radioactivity Standard Xenon-133, Xenon-127, Krypton-85 |
| SRM 4320 |
Curium-244 Radioactivity Standard |
| SRM 4320a |
Curium-244 Radioactivity Standard |
| SRM 4321 |
Alpha-Particle-Solution Standard Natural Uranium |
| SRM 4321B |
Alpha-Particle-Solution Standard Natural Uranium |
| SRM 4322 |
Alpha-Particle-Solution Standard Americium-241 |
| SRM 4323 |
Alpha-Particle-Solution Standard |
| SRM 4323a |
Plutonium-238 Solution |
| SRM 4324 |
Radioactivity Standard Uranium-232 |
| SRM 4324a |
Radioactivity Standard Uranium-232 |
| SRM 4327 |
Radioactivity Standard Polonium-128 |
| SRM 4328 |
Radioactivity Standard Thorium-229 |
| SRM 4328A |
Thorium-229 Radioactivity Standard |
| SRM 4328b |
Thorium-229 Solution |
| SRM 4330 |
Plutonium-239 Alpha-Particle Solution Standard |
| SRM 4330a |
Plutonium-239 Radioactivity Standard |
| SRM 4330B |
Plutonium-239 Solution |
| SRM 4332 |
Alpha-Particle Radioactivity Standard Americium-243-Neptunium-239 |
| SRM 4332B |
Radioactivity Standard Americium-243 |
| SRM 4332C |
Radioactivity Standard Americium-243 |
| SRM 4333 |
Alpha-Particle Radioactivity Standard Americium-243-Neptunium-239 |
| SRM 4334 |
Alpha-Particle Solution Standard Plutonium-242 |
| SRM 4334B |
Plutonium-242 Alpha-Particle Solution Standard |
| SRM 4334C |
Alpha-Particle Solution Standard Plutonium-242 |
| SRM 4334D |
Alpha-Particle Solution Standard Plutonium-242 |
| SRM 4334E |
Radioactivity Standard Plutonium-242 |
| SRM 4334g |
Plutonium-242 Solution |
| SRM 4335 |
Plutonium-242 Alpha-Particle Solution Standard |
| SRM 4336 |
Alpha Particle Solution Standard Polonium-210 |
| SRM 4338 |
Alpha-Particle Emission-Rate Solution Standard Plutonium-240 |
| SRM 4339 |
Radioactivity Standard Radium-228 |
| SRM 4340 |
Deta-Particle Solution Plutonium-241 |
| SRM 4340a |
Plutonium-241 Solution |
| SRM 4342 |
Thorium-230 Solution, April 1, 1999 |
| SRM 4350 |
Environmental Radioactivity Standard: River Sediment |
| SRM 4353 |
Environmental Radioactivity, April 1, 1981 |
| SRM 4361 |
Radioactivity Standard Hydrogen-3 |
| SRM 4361B |
Radioactivity Standard Hydrogen-3 |
| SRM 4369 |
Radioactivity Standard Gadolinium-153 |
| SRM 4370 |
Radioactivity Standard Europium-152 |
| SRM 4370-B |
Radioactivity Standard Europium-152 |
| SRM 4400L-N |
Radioactivity Standard Chromium-51 |
| SRM 4401L |
Lot 29 Iodine-131 Radioactivity Standard |
| SRM 4402L-C |
Radioactivity Standard Tin-113-Indium-113m |
| SRM 4403L-B |
Radioactivity Standard Strontium-85 |
| SRM 4404L |
Thallium-201 Radioactivity Standard |
| SRM 4405L |
Radioactivity Standard Gold-198 |
| SRM 4406L-M |
Radioactivity Standard Phosphorus-32 |
| SRM 4407HY |
Iodine-125 Radioactivity Standard |
| SRM 4407L |
Iodine-125 Radioactivity Standard Lot 27 |
| SRM 4407LY |
Iodine-125 Radioactivity Standard |
| SRM 4408L-E |
Radioactivity Standard Cobalt-57 |
| SRM 4411L-B |
Radioactivity Standard Iron-59 |
| SRM 4412L |
Lot 28 Molybdenum-99 Radioactivity Standard |
| SRM 4414L-B |
Radioactivity Standard Iodine-123 |
| SRM 4415L-R |
Gaseous Radioactivity Standard |
| SRM 4415LX |
Xenon-133 Radioactivity Standard |
| SRM 4416L-F |
Gallium-67 Radioactivity Standard |
| SRM 4416LU |
Gallium-67 Radioactivity Standard |
| SRM 4417L |
Indium-111 Lot 22 |
| SRM 4418L |
Mercury-203 |
| SRM 4419L-C |
Ytterbium-169 |
| SRM 4420L-B |
Lead-203 |
| SRM 4421L |
Gold-195 |
| SRM 4422L |
Chlorine-36 |
| SRM 4423L |
Strontium-90 |
| SRM 4425L |
Samarium-153 Lot 8 |
| SRM 4427HD |
Yttrium-90 |
| SRM 4427L |
Yttrium-90 |
| SRM 4427LD |
Yttrium-90 |
| SRM 4500 |
Radiochromic Solution for Reference Dosimetry |
| SRM 4902 |
Alpha-Ray Standard Polonium-210 |
| SRM 4904S-G |
Alpha-Particle Standard Americium-241 |
| SRM 4906L-C |
Plutonium-238 |
| SRM 4907 |
Alpha-Particle Standard Gadolinium-148 |
| SRM 4915E |
Colbalt-60 Radioactivity Standard |
| SRM 4919h |
Strontium-90 Solution |
| SRM 4922-E |
Sodium-22 Radioactivity Standard |
| SRM 4926E |
Hydrogen-3 Radioactivity Standard |
| SRM 4927F |
Hydrogen-3 Radioactivity Standard |
| SRM 4928-C |
Sulfur-35 Radioactivity Standard |
| SRM 4968 |
Radium-226/Radon 222 Capsule |
| SRM 736L1 |
Copper Thermal Expansion, October 7, 1990 |
| SRM 739L1 |
Thermal Expansion |
| SRM 739L2 |
Thermal Expansion |
| SRM 739L3 |
Thermal Expansion |
| SRM 8538 |
NBS30-Biotite, June 22, 1992 |
| SRM C1100 |
Optical Emission and X-ray Spectroscopic Analysis |
| SRM C1101 |
Optical Emission and X-ray Spectroscopic Analysis |
| SRM C1102 |
Optical Emission and X-ray Spectroscopic Analysis |
| SRM C1103 |
Free-Cutting Brass (Cast) |
| SRM C1105 |
Free Cutting-Brass (Cast) |
| SRM C1106 |
Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981 |
| SRM C1107 |
Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981 |
| SRM C1108 |
Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981 |
| SRM C1112 |
SRM C1112 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM C1112 |
SRM C1112 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional |
| SRM C1113 |
SRM C1113 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional |
| SRM C1113 |
SRM C1113 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM C1114 |
SRM C1114 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM C1114 |
SRM C1114 - Gilding Metal Standards for Optical Emission and X-Ray Spectroscopic Analysis, Provisional |
| SRM C1115 |
SRM C1115 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM C1116 |
SRM C1116 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM C1117 |
SRM C1117 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964 |
| SRM C1118, C1119, C |
SRM C1118, C1119, C1120 - Aluminum Brass Standards, July 12, 1982 |
| SRM C1137a |
White Cast Iron, September 18, 1984 |
| SRM C1146a |
White Cast Iron, October 1, 1983 |
| SRM C1150a |
White Cast Iron, January 4, 1988 |
| SRM C1151 |
Stainless Steel 23Cr-7 Ni, January 31, 1980 |
| SRM C1152- |
18 Cr-11 Ni Steel, January 31, 1980 |
| SRM C1153 |
17 Cr-9 Ni Steel, January 31, 1980 |
| SRM C1153a |
17 Cr-9 Ni Steel, April 21, 1986 |
| SRM C1154 |
Stainless Steel, 19Cr-13Ni |
| SRM C1173a |
Cast Steel 3, February 24, 1981 |
| SRM C1221 |
LA Carbon, (AISI 1211), January 20, 1982 |
| SRM C1251 |
Phosphorized Copper - CU VIII, April 10, 1986 |
| SRM C1251a |
Phosphorized Copper - CU VIII, July 23, 2002 |
| SRM C1252 |
Phosphorized Copper - CU IX, April 10, 1986 |
| SRM C1253 |
Phosphorized Copper - CU X, September 16, 1980 |
| SRM C1253a |
Phosphorized Copper - CUX, July 23, 2002 |
| SRM C1257 |
High Purity Aluminum |
| SRM C1287 |
High Alloy Steel, ACI HK (AISI 310 Mod), June 11, 1981 |
| SRM C1288 |
High Alloy Steel, ACI CN-7M (A743) (Stainless Steel A743), August 1, 1981 |
| SRM C2425 |
Ductile Iron |
| SRM C2425a |
Ductile Iron |
| SRM d845 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM d846 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM d847 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM d848 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM d849 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| SRM d850 |
Spectrographic Stainless Steel Standards (Group II), January 19, 1966 |
| GM 1, 2 |
Hydrogen in Steel Standards |
| GM 10 |
Encapsulated Plutonium Heat Source |
| GM 21, 22 |
Flexible Polyurethane Foam |
| GM 23, 24 |
Flexible Polyurethane Foam with Fire Retardant |
| GM 25, 26 |
High Resilience, Flexible Polyurethane Foam |
| GM 27, 28 |
High Resilience, Flexible Polyurethane Foam with Fire Retardant |
| GM 29, 30 |
Rigid Polyurethane Foam |
| GM 39 |
Rigid Polyurethane Foam Sprayed on Asbestos Cement Board |
| GM 40 |
Rigid Polyurethane Foam Sprayed on Asbestos Cement Board |
| GM 43, 44 |
Rigid Isocyanurate Foam, Contains Polyurethane |
| GM 47, 48 |
Polystyrene Expanded |
| GM 49, 50 |
Polystyrene Expanded with Fire Retardant |
| GM 5 |
Nickel and Vanadium in Residual Fuel Oil |
| GM 57, 58 |
Phenolic Foam |
| GM 754 |
ICTA Certified Reference Material Polystyrene |
| GM 757 |
ICTA Certified Reference Material for Measurements Below 350K |
| GM 758 |
ICTA Certified Reference Material for DTA Temperature Standards, June 11, 1971 |
| GM 759 |
ICTA Certified Reference Material for DTA Temperature Standards, June 11, 1971 |
| GM 760 |
ICTA Certified Reference Material for DTA Temperature Standards, June, 11, 1971 |
| GM 761 |
ICTA Certified Reference Material for Thermogravimetry |
| RM 8031 |
BCR No 61 Trace Elements in an Aquatic Moss |
| RM 8032 |
BCR No 141 Trace Elements in a Calcareous Loan Soil |
| RM 8033 |
BCR No 142 Trace Elements in a Light Sandy Soil |
| RM 8034 |
BCR No 144 Trace Elements in a Sewage Soil |
| RM 8035 |
BCR No 146 Trace Elements in a Sewage Sludge of Mainly Industrial Origin |
| RM 8384 |
N-tertiary-butyl-2-benzothiazole sulfenamide (TBBS) |
| RM 8385 |
Ultra-High Molecular Weight, October 5, 2007 |
| RM 8406 |
Mercury In Tennessee River Sediments |
| RM 8407 |
Mercury In Tennessee River Sediments |
| RM 8408 |
Mercury In Tennessee River Sediments |
| RM 8409 |
Simulated Rainwater |
| RM 8410 |
Asbestos Research Filter |
| RM 8411 |
Mixed Asbestos Research Filter, November 18, 1988 |
| RM 8412 |
Corn Stalk (Zea Mays) |
| RM 8413 |
Corn Kernal (Zea Mays) |
| RM 8414 |
Bovine Muscle Powder (Beef) |
| RM 8415 |
Whole Egg Powder |
| RM 8416 |
Microcrysalline Cellulose |
| RM 8418 |
Wheat Gluten |
| RM 8419 |
Inorganic Constituents in Bovine Serum |
| RM 8422 |
Sintered Tungsten |
| RM 8423 |
Sintered Tungsten |
| RM 8430 |
Aspartate Aminotransferase (AST) (E.C.2.6.1.1.) - Human Erythrocyte Source |
| RM 8431a |
Mixed Diet |
| RM 8432 |
Corn Starch |
| RM 8433 |
Corn Bran |
| RM 8435 |
Whole Milk Powder |
| RM 8436 |
Durum Wheat Flour |
| RM 8437 |
Hard Red Spring Wheat Flour |
| RM 8438 |
Soft Winter Wheat Flour |
| RM 8441 |
Wheat Hardness |
| RM 8500a |
A Catalyst Package for Lubricant Oxidation |
| RM 8501 |
A Catalyst Package for Lubricant Oxidation (ASTM Sequence IIIE Engine Test) |
| RM 8511 |
Volatile Toxic Organics in Nitrogen (Ambient Air Standard) |
| RM 8517 |
Flash Point n-Decane |
| RM 8518 |
Flash Point n-Undecane |
| RM 8519 |
Flash Point n-Tetradecane |
| RM 8520 |
Flash Point n-Hexadecane |
| RM 8531 |
Glass Fibers for Microanalysis |
| RM 8570 |
Surface Area Reference Materials Kaolin |
| RM 8571 |
Surface Area Reference Materials Alumina |
| RM 8572 |
Surface Area Reference Materials Silica-Alumina |
| RM 8631 |
Medium Test Dust |
| RM 8640 |
Microspheres w/Immobilized Fluorescein Isothiocyanate |
| U-0002 U-0002 |
Uranium Isotopic Standard, April 6, 1981 |
| U-005 U-005 |
Uranium Isotopic Standard, Provisional, April 21, 1969 |
| U-005a U-005a |
Uranium Isotopic Standard, July 12, 1984 |
| U-010 U-010 |
Uranium Isotopic Standard, April 6, 1981 |
| U-015 U-015 |
Uranium Isotopic Standard, April 6, 1981 |
| U-020 U-020 |
Uranium Isotopic Standard, Provisional, April 21, 1969 |
| U-020a U-020a |
Uranium Isotopic Standard, March 1, 1985 |
| U-030 U-030 |
Uranium Isotopic Standard, Provisional, April 21, 1969 |
| U-030a U-030a |
Uranium Isotopic Standard, March 1, 1985 |
| U-050 U-050 |
Uranium Isotopic Standard, April 6, 1981 |
| U-100 U-100 |
Uranium Isotopic Standard, April 6, 1981 |
| U-150 U-150 |
Uranium Isotopic Standard, April 6, 1981 |
| U-200 U-200 |
Uranium Isotopic Standard, April 6, 1981 |
| U-350 U-350 |
Uranium Isotopic Standard, April 6, 1981 |
| U-500 U-500 |
Uranium Isotopic Standard, April 6, 1981 |
| U-750 U-750 |
Uranium Isotopic Standard, April 6, 1981 |
| U-800 U-800 |
Uranium Isotopic Standard, April 6, 1981 |
| U-850 U-850 |
Uranium Isotopic Standard, April 6, 1981 |
| U-900 U-900 |
Uranium Isotopic Standard, April 6, 1981 |
| U-930 U-930 |
Uranium Isotopic Standard, April 6, 1981 |
| U-970 U-970 |
Uranium Isotopic Standard, April 6, 1981 |
