EXTRACTION OF SOME LANTHANIDES BY NITROBENZENE SOLUTIONS OF DICARBOLIDE IN THE PRESENCE OF 18-CROWN-6

被引:6
作者
VANURA, P
JEDINAKOVA, V
JUKLIKOVA, I
机构
[1] Department of Analytical Chemistry, Institute of Chemical Technology, Prague
来源
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1992年 / 163卷 / 01期
关键词
D O I
10.1007/BF02037482
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The extraction of Ce-144 and Eu-152, Eu-154 microamounts by nitrobenzene solutions of bis-1,2-dicarbollylcobaltate in the presence of 18-crown-6 from aqueous solutions of nitric acid has been investigated. The protonisation constants of 18-crown-6 in water and in nitrobenzene were determined and the corresponding equilibrium constants for cerium and europium extraction were evaluated.
引用
收藏
页码:81 / 85
页数:5
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