VANADIUM SPECIATION BY ION CHROMATOGRAPHY

被引：39

作者：

DEBEER, H ^{[1
]}

COETZEE, PP ^{[1
]}

机构：

[1] RAND AFRIKAANS UNIV,DEPT CHEM & BIOCHEM,JOHANNESBURG 2000,SOUTH AFRICA

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1994年 / 348卷 / 12期

关键词：

D O I：

10.1007/BF01780981

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An ion-chromatographic method, using a carbonate-buffered (1,2-cyclohexylenedinitrilo)tetraacetic acid (CDTA) eluant, is described for the simultaneous determination of vanadium(IV) and vanadium(V). Vanadium(IV) was, after pre-column complexation with CDTA, separated from vanadium(V) (as vanadate) by anion-exchange chromatography. The analytical range is 0.5 to 20 mug/ml and 0.25 to 10 mug/ml for vanadium(IV) and vanadium(V), respectively. Detection limits are estimated to be 145 and 70 ng/ml for vanadium(IV) and vanadium(V), respectively.

引用

页码：806 / 809

页数：4

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