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Determination of trace siderophile elements in rock and meteorite samples by radiochemical neutron activation analysis

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Abstract

A simple and effective radiochemical procedure for radiochemical neutron activation analysis (RNAA) of ultra-trace siderophile elements (Ru, Re, Os and Ir) and rare earth elements (REEs) in rock and meteorite samples is presented. To design the procedure, several separation schemes of siderophile elements were examined by using radioactive tracers. By applying the procedure to rock and meteorite samples, we have determined Ru, Re, Os, Ir and REEs, and confirmed that our values were in agreement with the literature values. Our detection limits for Ru, Re, Os, La, Sm and Eu are significantly low compared with those for ICP-MS.

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Authors and Affiliations

  1. Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Tokyo, Japan

    M. Takeda & M. Ebihara

  2. The Jikei University School of Medicine, 1-1 Minami-Ohsawa, Hachioji, Tokyo, 192-0397, Japan

    H. Minowa

Authors
  1. M. Takeda
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  2. H. Minowa
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  3. M. Ebihara
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Takeda, M., Minowa, H. & Ebihara, M. Determination of trace siderophile elements in rock and meteorite samples by radiochemical neutron activation analysis. J Radioanal Nucl Chem 272, 363–369 (2007). https://doi.org/10.1007/s10967-007-0530-5

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  • DOI: https://doi.org/10.1007/s10967-007-0530-5

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