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

IF 1.8 3区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Russian Journal of Inorganic Chemistry Pub Date : 2024-11-30 DOI:10.1134/S0036023624700591

A. N. Turanov, V. K. Karandashev, A. V. Kharlamov, N. A. Bondarenko

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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.

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含磷酰基和羰基荚体结构对离子液体1-丁基-3-甲基咪唑双[（三氟甲基）磺酰基]亚胺在硝酸溶液中萃取镧系元素（III）的影响

HNO3水溶液与四丁基二甘酰胺Bu2C(O)CH2OCH2C(O)NBu2(1)、化合物R2P(O)CH2OCH2C(O)NBu2 (R = Bu （2), R = Ph(3)）和含磷pod R2P(O)CH2OCH2P(O)R \(_{2}^{1}\) （R = R1 = Bu(4)）之间镧系（III）离子的相间分布；R = Bu, R1 = Ph (5)；研究了1,2-二氯乙烷和离子液体- 1-丁基-3-甲基咪唑双[（三氟甲基）磺酰]亚胺中的R = R1 = Ph(6)。在有机相中存在离子液体时，金属离子的萃取量大大增加。测定了萃取物的化学计量，考察了水溶液中HNO3浓度和萃取剂结构对金属离子萃取到有机相效率的影响。

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来源期刊

Russian Journal of Inorganic Chemistry 化学-无机化学与核化学

CiteScore

3.10

自引率

38.10%

发文量

237

审稿时长

3 months

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.