Abstract
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.
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Larsen, E.H., Hansen, S.H. Separation of arsenic species by ion-pair and ion exchange high performance liquid chromatography. Mikrochim Acta 109, 47–51 (1992). https://doi.org/10.1007/BF01243209
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DOI: https://doi.org/10.1007/BF01243209