OUTER-SPHERE LIGAND-EXCHANGE CHROMATOGRAPHY WITH COPPER-LOADED MACROCYCLIC-BONDED SILICA COLUMN

被引：7

作者：

BAGNOUD, MA ^{[1
]}

HAERDI, W ^{[1
]}

VEUTHEY, L ^{[1
]}

机构：

[1] UNIV GENEVA,DEPT INORGAN ANALYT & APPL CHEM,CH-1211 GENEVA,SWITZERLAND

来源：

CHROMATOGRAPHIA | 1990年 / 29卷 / 9-10期

关键词：

Amino-benzoic acid; Indole derivatives; Ligand-exchange chromatography; Metal-loaded silica; Outer-sphere complexing;

D O I：

10.1007/BF02261400

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The synthesis of a cyclam (1,4,8,11-tetraazacyclo-tetradecane)-bonded silica is described. The effect of pH, ionic strength and methanol content of the mobile phase on the chromatographic behaviour of the stationary phase when loaded with Cu(II) has been studied. Retention is observed only for compounds whose net charge is negative at the pH used. This selectivity proves to result from outer-sphere ligand-exchange chromatography. The separation of isomers of amino benzoic acid and of acidic derivatives of indole have been achieved. © 1990 Friedr. Vieweg & Sohn Verlagsgesellschaft mbH.

引用

页码：495 / 499

页数：5

共 22 条

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