Effect of the Structure of Phosphoryl- and Carbonyl-Containing Podands on the Extraction of Lanthanides(III) from Nitric Acid Solutions in the Presence of Ionic Liquid, 1-Butyl-3-methylimidazolium Bis[(trifluoromethyl)sulfonyl]imide
A. N. Turanov, V. K. Karandashev, A. V. Kharlamov, N. A. Bondarenko
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引用次数: 0
Abstract
The interphase distribution of lanthanide(III) ions between aqueous solutions of HNO3 and solutions of tetrabutyldiglicolamide Bu2C(O)CH2OCH2C(O)NBu2 (1), compounds R2P(O)CH2OCH2C(O)NBu2, where R = Bu (2), R = Ph (3) and phosphoryl-containing podands R2P(O)CH2OCH2P(O)R\(_{2}^{1}\), where R = R1 = Bu (4); R = Bu, R1 = Ph (5); R = R1 = Ph (6) in 1,2-dichloroethane and ionic liquid—1-butyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide—has been studied. Extraction of metal ions has been found to increase considerably in the presence of ionic liquid in organic phase. The stoichiometry of the extracted complexes has been determined and the influence of HNO3 concentration in aqueous phase and the structure of the extractant on the efficiency of metal ions extraction into organic phase has been considered.
期刊介绍：
Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.
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