Age-dating methodology for .sup.137Cs ceramic sources

Age-dating methodology for .sup.137Cs ceramic sources

Age-dating of .sup.137Cs ceramic sources is shown to be a viable technology for nuclear forensics investigations. The .sup.137Cs age-dating method in general, however, could be substantially improved by using radiometric rather than ICP-MS measurement of the .sup.137Cs isotope and by refining the Cs...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry Vol. 309; no. 3; p. 999
Main Authors: Steeb, Jennifer L, Graczyk, Donald G, Tsai, Yifen, Mertz, Carol J, Kimberlin, Ashleigh, Chamberlain, David B
Format: Journal Article
Language:English
Published: Springer 01-09-2016
Online Access:Get full text
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Summary:Age-dating of .sup.137Cs ceramic sources is shown to be a viable technology for nuclear forensics investigations. The .sup.137Cs age-dating method in general, however, could be substantially improved by using radiometric rather than ICP-MS measurement of the .sup.137Cs isotope and by refining the Cs/Ba separation process. With these improvements, uncertainty in the age of a 60-year-old source decreases from 1.35 to 0.68 y.
ISSN:0236-5731
DOI:10.1007/s10967-016-4712-x