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Separation of europium and thulium from mixed KI−H2SO4 solutions

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Abstract

The extraction of Tm with HDEHP from H2SO4, HCl and HBr is inversely proportional to the third power of the hydrogen ion concentration while the extraction is small with HDEHP, LA-2 and TBP from binary mixtures of acids. The extraction of both Eu and Tm with HDEHP from KI solutions decreases in the presence of small concentrations of H2SO4. The decrease is sharper in case of Eu leading to high separation factors between Eu and Tm from KI−H2SO4 mixtures.

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Authors and Affiliations

  1. Nuclear Chemistry Department, Atomic Energy Establishment, Cairo, Egypt

    S. A. Marei & E. Hanna

  2. Faculty of Science, Cairo University, Cairo, Egypt

    A. Badran

Authors
  1. S. A. Marei
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  2. A. Badran
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  3. E. Hanna
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Marei, S.A., Badran, A. & Hanna, E. Separation of europium and thulium from mixed KI−H2SO4 solutions. J. Radioanal. Chem. 53, 155–161 (1979). https://doi.org/10.1007/BF02517915

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  • DOI: https://doi.org/10.1007/BF02517915

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