Synergistic Solvent Extraction of Lanthanoids with Traditional Ligands (4-Acylpyrazolone and Bidentate Nitrogen Bases) in a Nontraditional Diluent Confirmed by Slope Analysis and NMR.
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ABSTRACT: The synergistic solvent extraction of La(III), Eu(III) and Lu(III) with a chelating extractant, 4-benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-one (HL), and neutral bidentate heterocyclic amines, such as 1,10-phenanthroline (S1 (phen)) or 2,2'-bipyridine (S2 (bipy)) in an ionic liquid of the imidazolium family [C1C4im+][Tf2N-] was investigated. Synergistic effects have been observed to result from the formation of a ternary complex in the organic phase, particularly in cases where the ligand S is a neutral synergistic agent. Examples include La(L)2(S2)2, Eu(L)3(S2) and Lu(L)x(S2)2, as well as La(L)3(S1)2, Eu(L)2(S1) and Lu(L)3(S1)
SUBMITTER: Atanassova M
PROVIDER: S-EPMC11857860 | biostudies-literature | 2025 Feb
REPOSITORIES: biostudies-literature
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