Joint validation of the in-situ uranium age dating method

Okubo, Ayako; Mayer, K.*

Under the collaboration between EC-JRC and JAEA, the in-situ age dating method was subject to joint validation, and six different uranium materialswere used for this purpose. The age dating result by in-situ isotope method was consistent with known production dates of the respective samples. The uncertainty evaluation according to GUM for the in-situ isotope method indicates that the measured $^{234}$ Th/ $^{230}$ Th ratio provides the highest contribution. The accuracy of in-situ isotope method can be improved by higher precision in $^{234}$ Th/ $^{230}$ Th measurement.

Language	:	English
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Meeting title	:	2nd International Conference on Radioanalytical and Nuclear Chemistry (RANC 2019)
Held date	:	2019/05
Location (city)	:	Budapest
Location (country)	:	Hungary
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Keywords	:	核鑑識; 年代測定
Research Facility	:	第4研究棟
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Article of JAEA R&D Review	:
Cooperating Institute	:	European Commission Joint Research Centre Karlsruhe

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Registration No. : BB20181963
JAEA Abstracts No. :
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