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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.
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页码：81 / 85
页数：5
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