This standard specifies the dithizone spectrophotometric determination method for lead in urine. The minimum detection concentration of this method is 0.012 mg/L. This standard is applicable to the determination of lead concentration in the urine of workers exposed to lead.
WS/T 17-1996 history
1996WS/T 17-1996 Urine.Determination of leade.Spectrophotometric method-diphenylthiocarbazone method