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Solvent extraction studies using phosphonic acid monoesters

III. Extraction and determination of stability constants of Eu(III) ethyl hydrogen benzyl and ethyl hydrogen benzoyl phosphonates in n-hexane

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Abstract

The extraction of radioactive152–154Eu by ethyl hydrogen benzyl phosphonate (HEBP) and ethyl hydrogen benzoyl phosphonate (HEBOP) in n-hexane from an aqueous solution of ionic strength 0.1M (Na+, HClO4) has been investigated at different temperatures and the thermodynamic functions evaluated. HEBOP was found to be more efficient than HEBP as extractant. In addition, the stability constant of the extracted complexes were determined.

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Authors and Affiliations

  1. Chemistry Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, (Egypt)

    A. M. El Atrash, E. A. Saad & M. S. A. Hamza

Authors
  1. A. M. El Atrash
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  2. E. A. Saad
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  3. M. S. A. Hamza
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El Atrash, A.M., Saad, E.A. & Hamza, M.S.A. Solvent extraction studies using phosphonic acid monoesters. Journal of Radioanalytical and Nuclear Chemistry, Articles 149, 345–349 (1991). https://doi.org/10.1007/BF02062063

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  • DOI: https://doi.org/10.1007/BF02062063

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