Effect of the 18-crown-6 and benzo-18-crown-6 on the solvent extraction and separation of lanthanide(III) ions with 8-hydroxyquinoline

被引：12
作者：
Atanassova, M. [1 ]
机构：
[1] Univ Chem Technol & Met, Dept Inorgan Chem, BU-1756 Sofia, Bulgaria
来源：
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2007年 / 52卷 / 08期
关键词：
D O I：
10.1134/S0036023607080244
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The synergistic solvent extraction of 13 lanthanides with mixtures of 8-hydroxyquinoline (HQ) and the crown ethers (S) 18-crown-6 (18C6) or benzo-18-crown-6 (B18C6) in 1,2-dichloroethane has been studied. The composition of the extracted species has been determined as LnQ(3) center dot S. The values of the equilibrium constant and separation factor have been calculated. Here, the effect of the synergistic agent (18C6 or B18C6) on the extraction process is discussed.
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页码：1304 / 1311
页数：8
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