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Rapid and accurate determination of89/90Sr in radioactive samples by Cerenkov counting

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Abstract

An improved and rapid method for determination of90Sr via its daughter nuclide,90Y, in aqueous samples from the low-level radioactive wastes by Cerenkov counting was established. This technique is applicable to beta particles maximum energies greater than 0.263 MeV in aqueous solution. A comparison of90Sr determination by Cerenkov counting and standard wet chemical separation techniques indicates a high degree of correlation and excellent agreement. For a 20 ml aqueous sample following the prescribed experimental conditions and a 60 min counting interval, the detection limit was 0.20 dpm/ml (0.10 pCi/ml), and the relative deviation is less then 5%.

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Authors and Affiliations

  1. Chemical Analysis Division, Institute of Nuclear Energy Research, P.O. Box 3-19, 325, Lungtan, Taiwan (ROC)

    Tser-Min Chang, Shao-Chou Chen, Jwn-Yung King & Shieh-Jun Wang

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  1. Tser-Min Chang
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  2. Shao-Chou Chen
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  3. Jwn-Yung King
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  4. Shieh-Jun Wang
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Chang, TM., Chen, SC., King, JY. et al. Rapid and accurate determination of89/90Sr in radioactive samples by Cerenkov counting. Journal of Radioanalytical and Nuclear Chemistry, Articles 204, 339–347 (1996). https://doi.org/10.1007/BF02060323

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  • DOI: https://doi.org/10.1007/BF02060323

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