This standard specifies the spectrophotometric method for the determination of arsenic in urine. The minimum detection concentration of this method is 0.025 mg/L. This standard is applicable to the determination of arsenic content in urine of normal people and workers exposed to arsenic compounds.
WS/T 28-1996 history
1996WS/T 28-1996 Urine.Determination of arsenic.Silver diethyldithiocarbamate-triethanolamine.Spectrophotometric method