Age-dating methodology for 137Cs ceramic sources

Age-dating methodology for 137Cs ceramic sources

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

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Veröffentlicht in:Journal of radioanalytical and nuclear chemistry 2016, Vol.309 (3), p.999-1019
Hauptverfasser: Steeb, Jennifer L., Graczyk, Donald G., Tsai, Yifen, Mertz, Carol J., Kimberlin, Ashleigh, Chamberlain, David B.
Format: Artikel
Sprache:eng
Schlagworte:
137Cs ceramic
Age
age dating
Chemistry
Chemistry and Materials Science
Dating techniques
Diagnostic Radiology
EDTA
extraction chromatography
Hadrons
Heavy Ions
Inorganic Chemistry
INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Nuclear Chemistry
nuclear forensics
Nuclear Physics
Physical Chemistry
RDD
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Zusammenfassung:Age-dating of 137 Cs ceramic sources is shown to be a viable technology for nuclear forensics investigations. The 137 Cs age-dating method in general, however, could be substantially improved by using radiometric rather than ICP-MS measurement of the 137 Cs 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
1588-2780
DOI:10.1007/s10967-016-4712-x