Lanthanoid complexes with thenoyltrifluoroacetone and 4-tert-butylcalix[4]arene-tetraacetic acid tetraethyl ester: synergistic extraction and separation

被引：0
|
作者：
Maria Atanassova
机构：
[1] University of Chemical Technology and Metallurgy,Department of General and Inorganic Chemistry
来源：
Microchimica Acta | 2011年 / 174卷
关键词：
Lanthanoids; Synergistic solvent extraction; Calix[4]arene; Thenoyltrifluoroacetone; Separation factors;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The solvent extraction of fourteen lanthanoid ions with thenoyltrifluoroacetone (HTTA) in combination with tetraethyl 4-tert-butylcalix[4]arene-tetraacetic acid tetraethyl ester (S) from a perchlorate medium at constant ionic strength was investigated. The extracted species were identified as the Ln(TTA)3·S complexes by slope analysis. Equilibrium constants, parameters for extraction, and the synergistic and separation factors between two adjacent Ln(III) ions were determined.
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页码：175 / 181
页数：6
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