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Precise determination of rare earth elements in rocks by neutron activation analysis

A pre-irradiation group separation method and a problem concerning granitic rock analysis

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Abstract

A pre-irradiation group separation method has been developed for the neutron activation analysis of rare earth elements (REE) and Ba in silicate rocks. REE and Ba were quantitatively separated from other elements by cation exchange column method. The chemical yield of each separation was monitored with Pr added to the sample powder before decomposition. The accuracy and precision were tested by repeated analyses of JB-1 and one analysis of BCR-1. In addition, it was found that REE distribution in a granitic rock powder was inhomogeneous and therefore special care must be taken for the sampling of granitic rock powders.

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Authors and Affiliations

  1. College of Liberal Arts, Kobe University, Tsurukabuto 1-2-1, 657, Nada, Kobe, (Japan)

    Y. Terakado

  2. Faculty of Liberal Arts, Marine Technical College, Nishikura-cho, 659, Ashiya, (Japan)

    T. Fujitani

  3. Research Reactor Institute, Kyoto University, Kumatori-cho, 590-04, Osaka, (Japan)

    J. Takada

Authors
  1. Y. Terakado
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  2. T. Fujitani
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  3. J. Takada
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Terakado, Y., Fujitani, T. & Takada, J. Precise determination of rare earth elements in rocks by neutron activation analysis. Journal of Radioanalytical and Nuclear Chemistry, Articles 129, 23–31 (1989). https://doi.org/10.1007/BF02037565

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  • DOI: https://doi.org/10.1007/BF02037565

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