Extraction of Rare Earth Elements(III) with Picrolonic Acid Mixtures with Phosphoryl-Substituted Aza Podands

被引：0
|
作者：
A. N. Turanov
V. K. Karandashev
A. V. Kharlamov
N. A. Bondarenko
机构：
[1] Russian Academy of Sciences,Institute of Solid
[2] Russian Academy of Sciences,State Physics
[3] National University of Science and Technology “MISIS”,Institute of Microelectronics Technology and High Purity Materials
[4] National Research Center “Kurchatov Institute”,Institute of Chemical Reagents and High Purity Chemical Substances
来源：
Russian Journal of Inorganic Chemistry | 2018年 / 63卷
关键词：
rare earth elements(III); extraction; picrolonic acid; phosphoryl-substituted aza podands; synergism;
D O I：
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学科分类号：
摘要：
Extraction of rare earth element(III) (REE) ions from chloride solutions with picrolonic acid mixtures with phosphoryl-substituted aza podands in chloroform has been studied. A considerable synergetic effect observed has been caused by the formation of hydrophobic mixed-ligand complexes of REE. The stoichiometry of extracted complexes has been determined and extraction constants have been calculated. The effect of aqueous phase composition, organic solvent nature, and the structure of phosphoryl-substituted aza podands on the efficiency of REE(III) recovery into organic phase have been considered.
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页码：1673 / 1678
页数：5
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