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Isolation and separation of transplutonium and rare-earth elements in unusual oxidation states on ion exchangers in inorganic acid solutions

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Abstract

The behaviour of transplutonium and rare-earth elements on anion and cation exchangers in solutions of H3PO4 and H2SO4 in the presence of oxidants (KBrO3, PbO2, (NH4)2S2O8) and in HCl solutions in the presence of reducing agents [Zn(Hg), Eu2+] depending on acid concentration as well as on oxidant content and nature in solution or in resin and other factors has been studied. Effective methods of Bk(IV), Ce(IV), Am(VI), Eu(II) and Md(II) separation from trivalent TPE and REE, as well as continuous methods of isolation of isotopically pure radionuclides250Bk,144Pr by using ion exchangers and inorganic acid solutions have been developed.

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Authors and Affiliations

  1. V. I. Vernadsky Institute of Geochemistry and Analytical Chemistry, USSR Academy of Sciences, Moscow, USSR

    L. I. Guseva & G. S. Tikhomirova

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  1. L. I. Guseva
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  2. G. S. Tikhomirova
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Guseva, L.I., Tikhomirova, G.S. Isolation and separation of transplutonium and rare-earth elements in unusual oxidation states on ion exchangers in inorganic acid solutions. Journal of Radioanalytical and Nuclear Chemistry, Articles 121, 345–353 (1988). https://doi.org/10.1007/BF02041421

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  • DOI: https://doi.org/10.1007/BF02041421

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