From 2003 to 2008, the detection limit was 1.7 [micro]g/L for DMA, 0.9 [micro]g/L for MMA, 1.2 [micro]g/L for arsenous acid, 1.0 [micro]g/L for arsenic acid
, 0.6 [micro]g/L for arsenocholine, and 0.4 [micro]g/L for arsenobetaine.
China claims some residents living nearby abandoned weapons in northeastern China are already suffering from the leakage of toxic substances such as mustard gas and arsenic acid
Environmental Protection Agency Region 5 (R5) and the Children's Study (CS) in Minnesota were analyzed for total arsenic, arsenate [As(V)], arsenite, dimethyl arsenic acid
(DMA), monomethyl arsenic acid
(MMA), arsenobetaine (AsB), and arsenocholine.
disodium salt ([Na.sub.2]H[As.sup.V][O.sub.4]) and sodium m-arsenite (Na[As.sup.III][O.sub.2]), both > 99% pure, were obtained from Sigma Chemical Co.