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Synergistic effect of HBMPPT with PSO, DOSO and TBP on the extraction of U(VI) and on the separation of U(VI) and Th(IV)

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Abstract

Some popular neutral extractants (PSO-petroleum sulfoxide, DOSO-di-n-octyl sulfoxide, TBP-tributylphosphate etc.) were chosen as synergist to study the synergistic effect on the extraction reaction with HBMPPT (4-benzoyl-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-thione) for U(VI), and the synergistic separation ability of HBMPPT for U(VI) and Th(IV). The synergistic extraction ability shown by the studied systems for U(VI) is as follows: PSO>DOSO>TBP, and the same sequence was also verified for the separation coefficient of U(VI) and Th(IV). The synergistic complexes may be presented as: UO2NO3·BMPPT·S and UO2(BMPPT)2·S for U(VI) (S is PSO, DOSO or TBP).

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Authors and Affiliations

  1. Institute of Nuclear Research, 201800, Shanghai, P. R. China

    Shaoning Yu, Li Ma & Borong Bao

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  1. Shaoning Yu
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  2. Li Ma
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  3. Borong Bao
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Yu, S., Ma, L. & Bao, B. Synergistic effect of HBMPPT with PSO, DOSO and TBP on the extraction of U(VI) and on the separation of U(VI) and Th(IV). J Radioanal Nucl Chem 241, 347–349 (1999). https://doi.org/10.1007/BF02347473

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  • DOI: https://doi.org/10.1007/BF02347473

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