Influence of the ammonium salt anion on the synergistic solvent extraction of lanthanides with mixtures of thenoyltrifluoroacetone and tridecylamine

被引：10

作者：

Dukov, IL ^{[1
]}

Jordanov, VM ^{[1
]}

机构：

[1] Univ Chem Technol & Met, Dept Inorgan Chem, BU-1756 Sofia, Bulgaria

来源：

SOLVENT EXTRACTION AND ION EXCHANGE | 1998年 / 16卷 / 05期

关键词：

D O I：

10.1080/07360299808934573

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The synergistic solvent extraction of Pr, Gd and Yb with mixtures of thenoyltrifluoroacetone (HTTA) and primary ammonium salt (tridecylammonium chloride or perchlorate, TDAH(CI, ClO4)) in C6H6 has been studied. The composition of the extracted species have been determined as Ln(TTA)(3)TDAHA(A(-)= Cl- or ClO4-). The values of the equilibrium constant K-T,K-S have been calculated. The influence of the ammonium salt anion on the extraction process has been discussed. The separation factors of the pairs Gd/Pr and Yb/Gd have been determined.

引用

页码：1151 / 1160

页数：10

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