| Agent Name |
Berkelium |
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| CAS Number |
7440-40-6 |
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| Formula |
Bk |
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| Major Category |
Physical Agents |
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| Category |
Radionuclides |
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| Description |
A man-made radioactive metal with a melting point of 986 degrees C; Known isotopes have mass numbers of 240 and 242-251; Bk-247 is the isotope with the longest half life; [Merck Index # 1158] |
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| Sources/Uses |
Bk-247 is one of the transuranic wastes (TRU) produced in nuclear reactors by neutron capture. [Argonne] |
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| Comments |
Most Important Radionuclide: Bk-247
Source: Nuclear reactors or particle accelerators;
Half-Life: 1,400 years
Specific Activity (mCi/gm): 1.1
Decay Mode: Alpha
Internal Toxicity: Very High
Annual Limit on Intake: 0.0000009 mCi
Average Radiation Energy (MeV): Alpha 5.6; Beta 0.061; Gamma 0.11; [Argonne]
[See Glossary for references.] See "Radiation, ionizing."
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: IONIZING RADIATION
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