Round-robin 230Th–234U age dating of bulk uranium for nuclear forensics

Gaffney, Amy M.; Hubert, Amélie; Kinman, William S.; Magara, Masaaki; Okubo, Ayako; Pointurier, Fabien; Schorzman, Kerri C.; Steiner, Robert E.; Williams, Ross W.

doi:10.1007/s10967-015-4334-8

Title: Round-robin ²³⁰Th–²³⁴U age dating of bulk uranium for nuclear forensics

Journal Article · Thu Jul 30 00:00:00 EDT 2015 · Journal of Radioanalytical and Nuclear Chemistry

DOI:https://doi.org/10.1007/s10967-015-4334-8· OSTI ID:1227731

^[1]; Hubert, Amélie ^[2]; Kinman, William S. ^[3]; Magara, Masaaki ^[4]; Okubo, Ayako ^[4]; Pointurier, Fabien ^[2]; Schorzman, Kerri C. ^[1]; Steiner, Robert E. ^[3]; Williams, Ross W. ^[1]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
CEA, Arpajon (France)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Japan Atomic Energy Agency, Ibaraki (Japan)

We report that in an inter-laboratory measurement comparison study, four laboratories determined ²³⁰Th–²³⁴U model ages of uranium certified reference material NBL U050 using isotope dilution mass spectrometry. The model dates determined by the participating laboratories range from 9 March 1956 to 19 October 1957, and are indistinguishable given the associated measurement uncertainties. These model ages are concordant with to slightly older than the known production age of NBL U050.

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Research Organization:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

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

Grant/Contract Number:: AC52-06NA25396; AC52-07NA27344; LA-UR-15-22623

OSTI ID:: 1227731

Alternate ID(s):: OSTI ID: 1262166

Report Number(s):: LA-UR-15-22623; LLNL-JRNL-668387; PII: 4334

Journal Information:: Journal of Radioanalytical and Nuclear Chemistry, Journal Name: Journal of Radioanalytical and Nuclear Chemistry; ISSN 0236-5731

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 16 works

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References (4)

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Determination of the half-life of the ground state of ${}^{229}{Th}$ by using ${}^{232}U$ and ${}^{233}U$ decay series Kikunaga, H.; Suzuki, T.; Nomura, M. Physical Review C, Vol. 84, Issue 1 https://doi.org/10.1103/PhysRevC.84.014316	journal	July 2011
An Inter-Laboratory Assessment of the Thorium Isotopic Composition of Synthetic and Rock Reference Materials Sims, Kenneth W. W.; Gill, James B.; Dosseto, Anthony Geostandards and Geoanalytical Research, Vol. 32, Issue 1 https://doi.org/10.1111/j.1751-908X.2008.00870.x	journal	March 2008

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
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38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
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²³⁰TH -²³⁴U age dating

Title: Round-robin 230Th–234U age dating of bulk uranium for nuclear forensics

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Title: Round-robin ²³⁰Th–²³⁴U age dating of bulk uranium for nuclear forensics