@article {4552, title = {The separation of dimethylarsinic acid, methylarsonous acid, methylarsonic acid, arsenate and dimethylarsinous acid on the Hamilton PRP-X100 anion-exchange column}, journal = {Applied Organometallic Chemistry}, volume = {13}, number = {11}, year = {1999}, note = {ISI Document Delivery No.: 255DLTimes Cited: 24Cited Reference Count: 29}, month = {Nov}, pages = {837-843}, type = {Article}, abstract = {In order to separate the potential arsenite metabolites methylarsonous acid and dimethylarsinous acid from arsenite, arsenate, methylarsonic acid and dimethylarsinic acid, the pH-dependent retention behaviour of all six arsenic compounds was studied on a Hamilton PRP-X100 anion-exchange column with 30 mM phosphate buffers (pH 5, 6, 7, 8 and 9) containing 20\% (v/v) methanol as mobile phase and employing an inductively coupled plasma atomic emission spectrometer (ICP-AES) as the arsenic-specific detector. Baseline separation of dimethylarsinic acid, methylarsonous acid, methylarsonic acid, arsenate and dimethylarsinous acid was achieved with a 30 mmol dm(-3) phosphate buffer (pH 5)-methanol mixture (80:20, v/v) in 25 min. Arsenite is not baseline-separated from dimethylarsinic acid under these conditions, Copyright (C) 1999 John Wiley \& Sons, Ltd.}, keywords = {ARSENATE, ARSENITE, BEHAVIOR, DIMETHYLARSINIC ACID, dimethylarsinous acid, ENVIRONMENT, ENZYMATIC METHYLATION, GLUTATHIONE, HPLC-ICP-AES, LAKE-BIWA, METABOLISM, METHYLARSENICALS, methylarsonic acid, methylarsonous acid, SPECIATION, SPECTROMETRY}, isbn = {0268-2605}, url = {://000083654200005}, author = {Gailer, J. and Madden, S. and Cullen, W. R. and Denton, M. B.} }