Quantitative microautoradiography by X-ray emission micro-analysis |
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| Authors: | John R. Holloway Michael J. Drake |
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| Affiliation: | Division of Geochemistry, Department of Chemistry, Arizona State University, Tempe, AZ 85281, U.S.A.;Department of Planetary Sciences and Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, U.S.A. |
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| Abstract: | Silver concentration in developed photographic emulsions exposed by β-emission may be measured on spots with a minimum diameter of about 10μm using an electron microprobe or a scanning electron microscope. Silver concentration is directly proportional to the integrated flux of β-particles bombarding the emulsion. Thus analysis for silver provides a method for quantitative microautoradiography which is comparable in accuracy and precision to other available methods and which can be performed on readily available equipment. |
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