Solvent extraction and separation of light lanthanoids with mixtures of two chelating extractants: Benzene vs. ionic liquid
作者： Maria Atanassova , Vanya Kurteva , Lubomir Lubenov , Isabelle Billard
DOI: 10.1080/01496395.2015.1088028
关键词: Imide 、 Thenoyltrifluoroacetone 、 Ion 、 Ionic liquid 、 Chemistry 、 Lanthanide 、 Chelation 、 Inorganic chemistry 、 Benzene 、 Extraction (chemistry)
摘要: ABSTRACTSolvent extraction of lanthanoids (La-Gd) with mixtures a chelating extractants (HL), either 4-(4-fluorobenzoyl)-3-methyl-1-phenyl-pyrazol-5-one(HPMFBP) or 3-methyl-4-(4-methylbenzoyl)-1-phenyl-pyrazol-5-one (HPMMBP) and 1-(2-thienyl)-4,4,4-trifluoro-1,3-butanedione (thenoyltrifluoroacetone, HTTA) has been studied in benzene. The composition the extracted species was established as LnL3·HL two para-substituted 4-aroyl-3-methyl-1-phenyl-pyrazol-5-ones. It found that, presence thenoyltrifluoroacetone, were LnL3·HTTA. separation factors between adjacent metals evaluated. Eu(III) ions investigated by use ionic liquid, 1-methyl-1,3-butylimidazolium-bis(trifluoromethanesulfonyl)imide instead benzene order to make comparison without looking at mechanism aspects.
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