Capillary electrophoretic separation of inorganic and organic arsenic compounds

被引：20
|
作者：
Greschonig, H
Schmid, MG
Gubitz, G
机构：
[1] Karl Franzens Univ Graz, Inst Analyt Chem, A-8010 Graz, Austria
[2] Karl Franzens Univ Graz, Inst Pharmaceut Chem, A-8010 Graz, Austria
来源：
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1998年 / 362卷 / 02期
关键词：
D O I：
10.1007/s002160051063
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Capillary zone electrophoresis was used to separate arsenite, arsenate, dimethylarsinic and diphenylarsinic acid, methanearsonic acid, phenyl- and p-aminophenyl arsonic acid, phenylarsineoxide and phenarsazinic acid. Anionic and uncharged species were separated in a fused silica capillary with on-column UV detection at 200 nm. A 15 mM phosphate solution adjusted to pH 6.5 containing 10 mM sodium dodecylsulfonate served as background electrolyte. The influence of pH and applied voltage on separation efficiency, as well as the feasibility of identification of arsenic compounds in spiked urine, were investigated.
引用
收藏
页码：218 / 223
页数：6
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