PIXE-RBS combination to measure uranium and thorium in environmental and biological samples |
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| Authors: | A S Paschoa M Cholewa K W Jones N P Singh M E Wrenn |
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| Institution: | (1) Dept. of Física, Pontifícia Universidade Católica, C.P. 38071, 22453 Rio de Janeiro, RJ, (Brasil);(2) Brookhaven National Laboratory, 11973 Upton, Long Island, N.Y., (USA);(3) Radiobiology Division, University of Utah, 84112 Salt Lake City, UT, (USA) |
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| Abstract: | A combination of two techniques, PIXE (particle induced x-ray emission) and RBS (Rutherford backscattering), is proposed as an analytical tool to measure uranium and thorium in environmental and biological samples and in the study of the micro-distribution of uranium is low Z matrices such as biological tissue.Work supported by U.S. Department of Energy Contracts DE-AC02-76CH-00116 (MC, KWJ) and DE-AC02-76EV-00119 (NPS, MEW). One of us (ASP) is grateful to FINEP (Financiadora de Estudos e Projetos) and CNPq (Conselho Nacional de Desenvolvimento Cientifico e Technológico). |
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