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Extraction from mixed HCl−H2C2O4 solutions purification of some actinides

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Abstract

Studies on (C6H5)4 AsCl extraction of233Pa,233U,234Th,95Zr,95Nb and Eu from hydrochloric acid solutions, oxalic acid solutions, as well as binary mixtures, of the two acids have been undertaken. Studies from HCl solutions indicated that tetraphenylarsonium is an efficient solvent for Pa, U and Nb while Zr, Eu, Th and Np have rather low extraction coefficients. Studies from H2C2O4 indicated again negligible extraction for Eu, Np and Zr, while Pa, U and Nb have considerable distribution coefficients characterized by certain maxima. Extraction data from binary mixtures of HCl and H2C2O4 suggest possible purification procedures for the investigated elements.

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Authors and Affiliations

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

    A. S. Abdel Gawad, N. Souka & C. Girgis

Authors
  1. A. S. Abdel Gawad
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  2. N. Souka
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  3. C. Girgis
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Abdel Gawad, A.S., Souka, N. & Girgis, C. Extraction from mixed HCl−H2C2O4 solutions purification of some actinides. J. Radioanal. Chem. 31, 377–382 (1976). https://doi.org/10.1007/BF02518502

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  • DOI: https://doi.org/10.1007/BF02518502

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