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chemical reactions at low temperatures. it's vapors appear fluorescent under uv light, and hence cam be used as tracers. electronic purposes: it is used for the cleaning of electronic gadgets. domestic uses: acetone can be used to remove very stubborn ink stains. it can also be used for the removal of oil...
from millicurie amounts of this radionuclide, the use of a cm thickness of pb will attenuate the radiation emitted by a factor of about . table radiation attenuation by lead shielding shield thickness coefficient (pb) cm of attenuation - - - - to correct for physical decay of technetium tc m, the fractions...
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