Heavy elements in surface materials: determination by alpha particle scattering.
The backscattering of alpha particles from a radioactive source can be used to determine the amounts of heavy elements such as lead in surface materials. A light, portable instrument has been constructed that can be used as a survey meter for painted surfaces. It has a sensitivity of 0.3 percent by weight in a measurement of a few minutes.
Economou
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Anderson
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Blume
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Turkevich
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