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The development of sequential separation methods for the analysis of actinides in sediments and biological materials using anion-exchange resins and extraction chromatography

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Summary

New, quantitative methods for the determination of actinides have been developed for application to marine environmental samples (e.g., sediment and fish). The procedures include aggressive dissolution, separation by anion-exchange resin, separation and purification by extraction chromatography (e.g., TRU, TEVA and UTEVA resins) with measurement of the radionuclides by semiconductor alpha-spectrometry (SAS). Anion-exchange has proved to be a strong tool to treat large volume samples, and extraction chromatography shows an excellent selectivity and reduction of the amounts of acids. The results of the analysis of uranium, thorium, plutonium and americium isotopes by this method in marine samples (IAEA-384, -385 and -414) provided excellent agreement with the recommended values with good chemical recoveries.

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Authors and Affiliations

  1. International Atomic Energy Agency, Marine Environment Laboratory, Monte-Carlo, MC 98012, Monaco

    S.-H. Lee

  2. International Atomic Energy Agency, Marine Environment Laboratory, Monte-Carlo, MC 98012, Monaco

    J. La Rosa

  3. International Atomic Energy Agency, Marine Environment Laboratory, Monte-Carlo, MC 98012, Monaco

    J. Gastaud

  4. International Atomic Energy Agency, Marine Environment Laboratory, Monte-Carlo, MC 98012, Monaco

    P. P. Povinec

Authors
  1. S.-H. Lee
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  2. J. La Rosa
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  3. J. Gastaud
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  4. P. P. Povinec
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Lee, SH., La Rosa, J., Gastaud, J. et al. The development of sequential separation methods for the analysis of actinides in sediments and biological materials using anion-exchange resins and extraction chromatography. J Radioanal Nucl Chem 263, 419–425 (2005). https://doi.org/10.1007/s10967-005-0603-2

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  • DOI: https://doi.org/10.1007/s10967-005-0603-2

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