DETERMINATION OF GOLD(I) AND SILVER(I) CYANIDE IN ORES BY CAPILLARY ZONE ELECTROPHORESIS

被引：58
|
作者：
AGUILAR, M [1 ]
FARRAN, A [1 ]
MARTINEZ, M [1 ]
机构：
[1] UPC, ETSEIB, DEPT CHEM ENGN, DIAGONAL 647, E-08028 BARCELONA, SPAIN
来源：
JOURNAL OF CHROMATOGRAPHY | 1993年 / 635卷 / 01期
关键词：
D O I：
10.1016/0021-9673(93)83122-9
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Capillary zone electrophoresis (CZE) with on-column UV detection at 214 nm was used to detect and determine gold(I) and silver(I) cyanide complexes in alkaline cyanide solution. Under an applied voltage of 25 kV, dicyanoaurate(I) and dicyanoargentate(I) were separated in less than 6 min. Carbonate buffer was used and the separation of both anions was achieved using an anodic injection and cathodic detection scheme. Tle method was applied to the determination of gold and silver cyanide in ore samples. Quantitative analysis was possible and good agreement between CZE and atomic absorption spectrometric results was obtained.
引用
收藏
页码：127 / 131
页数：5
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