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Determination of technetium-99 from complex matrix

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Abstract

This paper reports an approach that can be used for efficient separation and determination of 99Tc (as pertechnetate) after contamination of the environment by nuclear materials. The samples were decomposed by fusion in a mixture of potassium hydroxide and potassium nitrate. After fusion, technetium remains as the pertechnetate anion (TcO4 −). The technetium was isolated from the sample by technique combining solvent extraction, anion exchange, then, again, solvent extraction. After separation, 99Tc was measured by isotope-dilution mass spectrometry with 97Tc as spike. This method yielded nanogram detection limits for 99Tc.

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Authors and Affiliations

  1. P.O. Box 919-214, Mianyang, 621900, Sichuan, People’s Republic of China

    Lixiong Wang, Lei Tang, Tongzai Yang, Yanqiu Yang & Liang Yang

Authors
  1. Lixiong Wang
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  2. Lei Tang
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  3. Tongzai Yang
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  4. Yanqiu Yang
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  5. Liang Yang
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Correspondence to Lixiong Wang.

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Wang, L., Tang, L., Yang, T. et al. Determination of technetium-99 from complex matrix. J Radioanal Nucl Chem 296, 739–742 (2013). https://doi.org/10.1007/s10967-012-2023-4

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  • DOI: https://doi.org/10.1007/s10967-012-2023-4

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