Extraction of microamounts of strontium into nitrobenzene by using hydrogen dicarbollylcobaltate in the presence of dicyclohexyl-18-crown-6

被引：0
作者：
Z. Valentová
P. Vaňura
E. Makrlík
机构：
[1] Prague Institute of Chemical Technology,
[2] Faculty of Applied Sciences,undefined
[3] University of West Bohemia,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2006年 / 267卷
关键词：
Hydrogen; Physical Chemistry; Inorganic Chemistry; Strontium; Organic Phase;
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学科分类号：
摘要：
Extraction of microamounts of strontium by a nitrobenzene solution of hydrogen dicarbollylcobaltate (H+B-) in the presence of dicyclohexyl-18-crown-6 (DCH18C6, L) has been investigated. The equilibrium data have been explained assuming that the complexes HL+, HL, SrL2+and SrL are extracted into the organic phase. The values of extraction and stability constants of the species in nitrobenzene saturated with water have been determined.
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页码：471 / 475
页数：4
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