This standard specifies the method for the determination of lead in urine by graphite furnace atomic absorption spectrometry. The minimum detection concentration of this method is 1 μg/L. This standard is applicable to the determination of lead in urine of normal people and workers exposed to lead.
WS/T 18-1996 history
1996WS/T 18-1996 Urine.Determination of lead.Graphite furnace atomic absorption spectrometry
WS/T 18-1996 Urine.Determination of lead.Graphite furnace atomic absorption spectrometry was changed to GBZ/T 303-2018 Determination of Lead in Urine Graphite Furnace Atomic Absorption Spectrometry.