Extraction of Rare Earth Elements(III) from HNO3 and HCl Solutions with Mixtures of Carbamoylmethylphosphine Oxides and Picrolonic Acid

被引：0
|
作者：
Turanov, A. N. [1 ]
Karandashev, V. K. [2 ]
Sharova, E. V. [3 ]
Artyushin, O. I. [3 ]
Odinets, I. L. [3 ]
机构：
[1] Russian Acad Sci, Inst Solid State Phys, Ul Akad Osipyana 2, Chernogolovka 142432, Moscow Oblast, Russia
[2] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka, Moscow Oblast, Russia
[3] Russian Acad Sci, Nesmeyanov Inst Organoelement Cpds, Moscow, Russia
来源：
RADIOCHEMISTRY | 2013年 / 55卷 / 02期
关键词：
extraction; sorption; rare earth elements; carbamoylmethylphosphine oxides; picrolonic acid; complexing sorbents;
D O I：
10.1134/S1066362213020100
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Extraction of REE(III) microamounts from HNO3 and HCl solutions with mixtures of mono- and bis-carbamoylmethylphosphine oxides with picrolonic acid in 1,2-dichloroethane was studied. The strong synergistic effect observed is due to increased hydrophobicity of the extractable complexes. The influence of the structure of carbamoylmethylphosphine oxides on the REE(III) extraction efficiency was considered, and the stoichiometry of the extractable complexes was determined. The possibility of REE(III) recovery and preconcentration from nitric acid solutions with a complexing sorbent prepared by noncovalent immobilization of the reagent mixture on the surface of a macroporous polymeric sorbent was demonstrated.
引用
收藏
页码：203 / 207
页数：5
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