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Arsenic pollution of public water supplies has been reported in various regions of the world. Recently, some cancer patients are treated with arsenite (As III ); most Japanese people consume seafoods containing large amounts of negligibly toxic arsenic compounds. Some of these arsenic species are metabolized, but some remain intact. For the determination of toxic As III , a simple,...
Inorganic arsenite (As3+) and arsenate (As5+) are well-known poisons, and the toxicity of As3+ is about ten times that of As5+. In this study, a simple, rapid, and sensitive method was developed for As3+ in plasma using electrospray ionization (ESI) tandem mass spectrometry (MS-MS). After washing plasma with trichloroethylene (TCE), As3+ in the aqueous layer was reacted with pyrrolidinedithiocarbamate...
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