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Influence of Diluent on Extraction Parameters of Systems for Separation Am(III) and Ln(III) Based on
Mikhail A Gerasimov1, Petr I Matveev1, Mariia V Evsiunina1
1Department of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia.
Abstract:
A systematic study of extraction systems for the separation of f-elements using the tetradentate N,O-donor diamide of 1,10-phenanthroline-2,9-dicarboxylic acid (L) in various molecular and ionic solvents was performed. It was demonstrated that the nature of a diluent has a significant impact on solvent extraction of Am(III) and Ln(III) and the stoichiometry of formed complexes with f-elements. The mechanism of complexation and forms of complexes in different diluents were investigated by radiometric methods, UV-vis titration, and XRD.
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