Round-robin 230Th–234U age dating of bulk uranium for nuclear forensics
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...
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| Veröffentlicht in: | Journal of radioanalytical and nuclear chemistry 2015-07 |
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| container_title | Journal of radioanalytical and nuclear chemistry |
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| creator | Gaffney, Amy M. Hubert, Amélie Kinman, William S. Magara, Masaaki Okubo, Ayako Pointurier, Fabien Schorzman, Kerri C. Steiner, Robert E. Williams, Ross W. |
| description | 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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(LANL), Los Alamos, NM (United States)</creatorcontrib><creatorcontrib>Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)</creatorcontrib><title>Round-robin 230Th–234U age dating of bulk uranium for nuclear forensics</title><title>Journal of radioanalytical and nuclear chemistry</title><description>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. 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| subjects | 230Th–234U age dating INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY nuclear forensics RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY radiochronometry TH -²³⁴U age dating |
| title | Round-robin 230Th–234U age dating of bulk uranium for nuclear forensics |
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