SEPARATION OF ARSENIC SPECIES BY ION-PAIR AND ION-EXCHANGE HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY

被引:33
作者
LARSEN, EH [1 ]
HANSEN, SH [1 ]
机构
[1] ROYAL DANISH SCH PHARM,DK-2100 COPENHAGEN,DENMARK
关键词
ARSENIC SPECIATION; ION-PAIR HPLC; ION EXCHANGE HPLC; FLAME ATOMIC ABSORPTION SPECTROMETRY;
D O I
10.1007/BF01243209
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Arsenite, arsenate, monomethylarsonate, dimethylarsinate, arsenobetaine, arsenocholine and the tetramethylarsonium ion were subjected to ion-exchange and ion-pair reversed phase HPLC. The ion exchange method was superior in selectivity and time of analysis for the arsenic anions. The ammonium ions used for the ion-pair method only resulted in separation of some of the anionic arsenic compounds. Flame atomic absorption spectrometry was used for on-line arsenic-specific detection.
引用
收藏
页码:47 / 51
页数:5
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