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Heavy Elements in Surface Materials: Determination by Alpha Particle Scattering

Thanasis E. Economou, Wayne A. Anderson, Edwin M. Blume and Anthony L. Turkevich
Science
New Series, Vol. 181, No. 4095 (Jul. 13, 1973), pp. 156-158
Stable URL: http://www.jstor.org/stable/1736860
Page Count: 3
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Heavy Elements in Surface Materials: Determination by Alpha Particle Scattering
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Abstract

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.

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