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Technetium-99

technetium-99

A radioisotope of technetium which is the decay product of technetium-99m and has a weak beta emission and a physical half-life of 213,000 years.


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The Fiber Disease

... '50s, '60s, '70s, and '80s. Uranium extracted from spent nuclear fuels included low levels of transuranics (americium, neptunium, and plutonium), technetium-99, and uranium-236. The gaseous diffusion process concentrates these contaminants in the enriched uranium and decreases the levels in the ...

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by elmoscubas
Sun Dec 18, 2005 3:30 am
 
Forum: Human Biology
Topic: The Fiber Disease
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