SYNERGISTIC EXTRACTION EQUILIBRIUM OF LANTHANOIDS(III) WITH 2-THENOYLTRIFLUOROACETONE AND NITROGEN-CONTAINING BIDENTATE LIGANDS, ETHYLENEDIAMCME DERIVATIVES
作者： Saeko SATAKE , Satoshi TSUKAHARA , Nobuo SUZUKI
DOI: 10.1080/07366299908934612
关键词:
摘要: ABSTRACT The synergistic extraction of lanthanoids(III), Ln(III), i e., La, Sm, Tb, Tm and Lu, using 2-thenoyltrifluoroacetone (Htta) nitrogen-containing neutral bidentate ligands (S), i.e., three ethylenedi-amine derivatives, such as N,N'-dimethylethylenediamine (dmen), N,N'-diethylethylenediamine (deen) cis-l,2-cyclohexanediamine (chda), was studied in the benzene aqueous system. enhancement these systems mainly attributed to formation an adduct, Ln(tta)3S, phase. variation adduct constants (βs,l) discussed with basicity structure hindrance around metal ion.
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