GUIDELINES FOR SAMPLE COLLECTING AND
ANALYTICAL METHODS USED IN THE U.S. GEOLOGICAL SURVEY FOR
DETERMINING CHEMICAL COMPOSITION OF COAL
By Vernon E. Swanson and
Claude Huffman, Jr.
U.S. GEOLOGICAL SURVEY CIRCULAR
735
1976
CONTENTS
- Metric-English
equivalents
- Abstract
- Introduction
- Guidelines on
collecting coal samples
- Submitting samples
- Analytical methods
for determination of major, minor, and trace elements in
coal
- Sample
preparation
- Individual
analytical methods
- Analysis of coal ash
- Ashing
- Atomic absorption spectroscopy
- X-ray
fluorescence spectroscopy
- Emission spectroscopy
- Analysis
of raw coal
- Mercury
- Antimony
- Arsenic
- Fluorine
- Selenium
- Uranium and Thorium
- Accuracy
of analytical methods
- Comments and
recommendations
- References cited
ILLUSTRATION
- Flow chart showing
sequence of sample preparation and chemical analysis
TABLES
- Lower limits of
determination, six-step spectrographic method
- Comparative results,
trace elements in EPA-NBS standard sample of coal
- Comparison of U.S.
Geological Survey analyses with Illinois State analyses
[ Coal Quality CD ]
Created by the EERT WWW Staff.
U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/circ/c735/index.htm
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Last modified: 11:00:54 Mon 31 Mar 2003
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