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The photo‐oxidation of solutions of arsenicals to arsenate: A convenient analytical procedure
Author(s) -
Cullen William R,
Dodd Matthew
Publication year - 1988
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.590020102
Subject(s) - chemistry , arsenobetaine , arsenate , arsenic , methanol , chromatography , high performance liquid chromatography , ultraviolet , hydride , organic chemistry , metal , physics , quantum mechanics
The separation of arylarsonic acids by HPLC on a reverse‐phase C 18 column is described. Solutions containing these arsenicals and others such as arsenobetaine are photo‐oxidized to arsenate by ultraviolet (UV) radiation (1200 W, 1 h exposure). This allows the analysis of the solution for arsenic by hydride generation techniques. The method, UV HGAA, is developed and applied to the determination of arsenic in the methanol extracts of the Manila clam (Verupis japonica) and the Horse clam (Schizothoerus nutalli).