Abstract
Liquid-phase extraction and sorption (solid-phase extraction) of AmIII, EuIII, UVI, and TcVII with alkyl (N,N-dibutylcarbamoylmethyl)methylphosphinates (ADM) from nitric acid solution were studied. The solvate numbers of extracted UVI, AmIII, EuIII, and TcVII complexes and the separation factors for AmIII/EuIII (f Am/Eu), TcVII/EuIII (f Tc/Eu), and UVI/TcVII (f U/Tc) pairs were determined. It was shown for the extraction of AmIII and sorption of PuIV that various ADM derivatives are most efficient for the extraction and sorption concentration of actinides: the heptyl derivative (C7) is efficient for extraction and the decyl derivative (C10) is most efficient for sorption.
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Dedicated to the 60th anniversary of foundation of the A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2541—2545, November, 2014.
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Morgalyuk, V.P., Popova, N.N., Artyushin, O.I. et al. Alkyl (N,N-dibutylcarbamoylmethyl)methylphosphinates as new reagents for extraction and sorption of f-elements and technetium(VII) from acidic solutions. Russ Chem Bull 63, 2541–2545 (2014). https://doi.org/10.1007/s11172-014-0773-6
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DOI: https://doi.org/10.1007/s11172-014-0773-6