International cooperation in age-dating uranium standards for nuclear forensics using the 231Pa/235U radiochronometer

Denton, Joanna S.; Treinen, Kerri C.; Chen, Yan; Baransky, Eva; Gaffney, Amy M.; Huang, Sheng-Hui; Kayzar-Boggs, Theresa M.; Samperton, Kyle; Steiner, Robert E.; Wende, Allison M.; Williams, Ross W.; Zhao, Yong-Gang

doi:10.1007/s10967-020-07084-x

International cooperation in age-dating uranium standards for nuclear forensics using the ²³¹Pa/²³⁵U radiochronometer

Journal Article · Wed Mar 04 00:00:00 EST 2020 · Journal of Radioanalytical and Nuclear Chemistry

DOI:https://doi.org/10.1007/s10967-020-07084-x· OSTI ID:1673840

Denton, Joanna S. ^[1]; Treinen, Kerri C. ^[2]; Chen, Yan ^[3]; Baransky, Eva ^[2]; Gaffney, Amy M. ^[2]; Huang, Sheng-Hui ^[3]; Kayzar-Boggs, Theresa M. ^[1]; Samperton, Kyle ^[2]; Steiner, Robert E. ^[1]; Wende, Allison M. ^[1]; Williams, Ross W. ^[2]; Zhao, Yong-Gang ^[3]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Chemistry Division
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Nuclear and Chemical Sciences Division
China Inst. of Atomic Energy (CIAE), Beijing (China). Dept. of Radiochemistry

During 2017–2018 Los Alamos National Laboratory, Lawrence Livermore National Laboratory and the China Institute of Atomic Energy collaborated in an interlaboratory ²³¹Pa/²³⁵U radiochronometry exercise. The laboratories used different analytical methods to obtain a consensus model purification date for CRM U010 of December 28, 1958 ± 198 days and for CRM U850 of May 20, 1958 ± 363 days. These results agree with previously reported model dates using the ²³⁰Th/²³⁴U radiochronometer as well as the production histories of these materials. The concordance of interlaboratory data here confirms the ability of laboratories to make reproducible radiochronometry measurements using distinct analytical approaches.

View Accepted Manuscript (DOE)

Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: 89233218CNA000001; AC52-07NA27344

OSTI ID:: 1673840

Alternate ID(s):: OSTI ID: 22934128

Report Number(s):: LLNL-JRNL--811968; 1012786

Journal Information:: Journal of Radioanalytical and Nuclear Chemistry, Journal Name: Journal of Radioanalytical and Nuclear Chemistry Journal Issue: 2 Vol. 324; ISSN 0236-5731

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Figures / Tables (3)

Table 1(p. 12)

Table 2(p. 17)

Fig. 1(p. 19)

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An interlaboratory collaboration to determine consensus ²³¹Pa/²³⁵U model ages of a uranium certified reference material for nuclear forensics

Journal Article · Wed Feb 05 19:00:00 EST 2020 · Journal of Radioanalytical and Nuclear Chemistry · OSTI ID:1673838

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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
certified reference material
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