Liquid-liquid extraction of protactinium(V) using tri-iso-octylamine

被引：4
|
作者：
Ding, H. J. [1 ]
Niu, Y. N. [1 ]
Xu, Y. B. [1 ]
Yang, W. F. [1 ]
Yuan, S. G. [1 ]
Qin, Z. [1 ]
Wu, X. L. [1 ]
机构：
[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2007年 / 272卷 / 02期
关键词：
D O I：
10.1007/s10967-007-0512-7
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Solvent extraction of protactinium with tri-iso-octyl-amine (TIOA) in xylene, benzene, carbon tetrachloride and chloroform from HCl, HF, HNO3, HClO4 and H2SO4 media was studied using Pa-233 as a radiotracer. The extraction efficiencies of protactinium were determined as a function of shaking time, concentrations of mineral acids in aqueous phase, extractant concentrations and diluents in organic phase. The extraction mechanism was discussed. The results show that the extracted species in the organic phase is [(R3N-H)(n)Pa(OH)(x)Cl-y(5-x-y)].
引用
收藏
页码：263 / 266
页数：4
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