Round-robin 230Th᾿sup>234U age dating of bulk uranium for nuclear forensics
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  • 作者：Amy M. Gaffney ; Amélie Hubert…
  • 关键词：Radiochronometry ; 230Th–p>234U age dating ; Nuclear forensics
  • 刊名：Journal of Radioanalytical and Nuclear Chemistry
  • 出版年：2016
  • 出版时间：March 2016
  • 年：2016
  • 卷：307
  • 期：3
  • 页码：2055-2060
  • 全文大小：471 KB
  • 参考文献：1.Garner EL, Machlan LA, Shields WR (1971) Uranium isotopic standard reference materials. National Bureau of Standards Special Publication 260-27, Washington, DC
    2.Cheng H, Edwards RL, Hoff J, Gallup CD, Richards DA, Asmerom Y (2000) The half-lives of uranium-234 and thorium-230. Chem Geol 169:17–33CrossRef
    3.Kikunaga H, Suzuki T, Nomura M, Mitsugashira T, Shinohara A (2011) Determination of the half-life of the ground state of 229Th by using 232U and 233U decay series. Phys Rev C 84:014316CrossRef
    4.Sims KW, Gill JB, Dosseto A, Hoffmann DL, Lundstrom CC, Williams RW, Ball L, Tollstrup D, Turner S, Prytulak J, Glessner JJG, Standish JJ, Elliott T (2008) An inter-laboratory assessment of the thorium isotopic composition of synthetic and rock reference materials. Geostand Geoanal Res 32:65–91CrossRef
    5.Zimmer MM, Kinman WS, Kara AH, Steiner RE (2014) Evaluation of the homogeneity of the uranium isotope composition of NIST SRM 610/611 by MC-ICP-MS, MC-TIMS and SIMS. Minerals 4:541–552CrossRef
    6.Records tabulation by Paul Croatto, New Brunswick Laboratory, personal communication
  • 作者单位：Amy M. Gaffney (1)
    Amélie Hubert (2)
    William S. Kinman (3)
    Masaaki Magara (4)
    Ayako Okubo (4)
    Fabien Pointurier (2)
    Kerri C. Schorzman (1)
    Robert E. Steiner (3)
    Ross W. Williams (1)

    1. Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, 7000 East Avenue, L-231, Livermore, CA, 94550, USA
    2. CEA, DAM, DIF, 91297, Arpajon, France
    3. Nuclear and Radiochemistry, Los Alamos National Laboratory, P.O. Box 1663, MS-J514, Los Alamos, NM, 87545, USA
    4. Japan Atomic Energy Agency, 2-4 Shirakata-Shirane, Tokai, Ibaraki, 3191195, Japan
  • 刊物类别：Chemistry and Materials Science
  • 刊物主题：Chemistry
    Nuclear Chemistry
    Physical Chemistry
    Nuclear Physics, Heavy Ions and Hadrons
    Diagnostic Radiology
    Inorganic Chemistry
  • 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
  • ISSN：1588-2780
文摘
In an inter-laboratory measurement comparison study, four laboratories determined 230Th–p>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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