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Preparation of57Co standard solution and its activity measurement

  • Research and Development of Isotopes
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Abstract

57Co was produced with high pure nature iron irradiated by 8.5MeV deuterons. TBP-benzene extraction method and anion-exchange method were used to separate and purify it. The purified57Co was prepared into standard solution of about 30 to 50 μg Co2+/ml carrier concentration and about 0.1 mol/l HCl. The specific activity of the standard solution was measured with 4 π β (ppc)-γ coincidence counting method. The final result was 476.82(1±0.42%)Bq/mg.

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References

  1. E. L. KELLY, UCRL-1044, 1960.

  2. K. SIEGBAHN, Nucl. Instr. Meth., 112 (1973).

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Authors and Affiliations

  1. China Institute of atomic Energy, 102413, Beijing, (P.R. China)

    J. X. Yang, Y. G. Yu, H. S. Du & X. L. Chen

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  1. J. X. Yang
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  2. Y. G. Yu
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  3. H. S. Du
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  4. X. L. Chen
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Yang, J.X., Yu, Y.G., Du, H.S. et al. Preparation of57Co standard solution and its activity measurement. Journal of Radioanalytical and Nuclear Chemistry, Articles 205, 157–166 (1996). https://doi.org/10.1007/BF02040562

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  • DOI: https://doi.org/10.1007/BF02040562

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