STUDY OF COMPLEX-FORMING EQUILIBRIA BETWEEN DIVALENT METAL-CATIONS AND SOME INORGANIC ANIONS USING ION CHROMATOGRAPHY

被引：14
|
作者：
JANOS, P
机构：
[1] Research Institute of Inorganic Chemistry, 400 60 Ústí nad Labem
来源：
JOURNAL OF CHROMATOGRAPHY A | 1993年 / 657卷 / 02期
关键词：
D O I：
10.1016/0021-9673(93)80299-N
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Complex-forming equilibria between some divalent metal cations (Zn2+, Co2+, Ni2+, Fe2+, Cd2+, Mn2+) and inorganic anions (SCN-, SO42-) were studied using ion chromatography on a column packed with octadecyl-bonded silica permanently coated with dodecyl sulphate. Relationships were derived describing the retention of metal cations in the presence of complexing agents. Stability constants of the complexes formed in the mobile phase were assessed from the dependences of the analyte capacity factors on ligand concentration in the mobile phase.
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页码：435 / 439
页数：5
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