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Neutron activation analysis of high purity nickel by solvent extraction using 2-benzylpyridin/benzene

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Abstract

A radiochemical neutron activation analysis using solvent extraction has been applied for the determination of trace impurities in high purity nickel. Because of the high activity of58Co produced by the nuclear reaction,58Ni(n,p)58Co, cobalt should be separated from the impurities. Removal of cobalt from the other trace elements in the aqueous acidic solution containing 1M thiocyanate ion (KSCN) was achieved by extraction with 1M2-benzylpyridin (BPy) in benzene. From the result of tracer experiments, cobalt was completely separated from most other elements except Fe, Mo and Zn. To determine the experimental accuracy, NIST SRM 673 nickel oxide was analyzed and the results agreed well within 10% deviation. This established radiochemical method was applied to the analysis of high purity nickel samples.

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Authors and Affiliations

  1. Department of Analysis, Korea Institute of Geology, Mining and Materials, 30, Gajeong-dong, Yusong-ku, 305-350, Taejeon, Korea

    Yoon Yeol Yoon & Kil Yong Lee

  2. Department of Chemistry, Chungnam National University, 305-746, Taejeon, Korea

    Gae Ho Lee

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  1. Yoon Yeol Yoon
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  2. Kil Yong Lee
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  3. Gae Ho Lee
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Yoon, Y.Y., Lee, K.Y. & Lee, G.H. Neutron activation analysis of high purity nickel by solvent extraction using 2-benzylpyridin/benzene. Journal of Radioanalytical and Nuclear Chemistry Articles 210, 55–63 (1996). https://doi.org/10.1007/BF02055406

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  • DOI: https://doi.org/10.1007/BF02055406

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