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Extraction of REEs(III), U(VI), and Th(IV) with acidic phosphoryl-containing podands from nitric acid solutions

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Abstract

The extraction of microamounts of REEs(III), U(VI), and Th(IV) from HNO3 solutions with solutions of acidic phosphoryl-containing podands in 1,2-dichloroethane was studied. The stoichiometry of the extractable complexes was determined. The influence of the extractant structure and aqueous phase composition on the efficiency and selectivity of the recovery of REEs(III), U(VI), and Th(IV) into the organic phase was considered.

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Authors and Affiliations

  1. Institute of Solid State Physics, Russian Academy of Sciences, ul. Akad. Osip’yana 2, Chernogolovka, Moscow oblast, 142432, Russia

    A. N. Turanov

  2. Institute of Technological Problems of Microelectronics and Ultrapure Materials, Russian Academy of Sciences, ul. Akad. Osip’yana 5, Chernogolovka, Moscow oblast, 142432, Russia

    V. K. Karandashev

  3. Institute of Physiologically Active Substances, Russian Academy of Sciences, Severnyi proezd 1, Chernogolovka, Moscow oblast, 142432, Russia

    V. E. Baulin

  4. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, block 4, Moscow, 119991, Russia

    V. E. Baulin & A. Yu. Tsivadze

Authors
  1. A. N. Turanov
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  2. V. K. Karandashev
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  3. V. E. Baulin
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  4. A. Yu. Tsivadze
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Correspondence to A. N. Turanov.

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Original Russian Text © A.N. Turanov, V.K. Karandashev, V.E. Baulin, A.Yu. Tsivadze, 2014, published in Radiokhimiya, 2014, Vol. 56, No. 1, pp. 22–25.

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Turanov, A.N., Karandashev, V.K., Baulin, V.E. et al. Extraction of REEs(III), U(VI), and Th(IV) with acidic phosphoryl-containing podands from nitric acid solutions. Radiochemistry 56, 22–26 (2014). https://doi.org/10.1134/S1066362214010056

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  • DOI: https://doi.org/10.1134/S1066362214010056

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