This standard specifies the method for the determination of chromium in urine by graphite furnace atomic absorption spectrometry. The minimum detection concentration of this method is 0.54 μg/L. This standard is applicable to the determination of chromium in the urine of workers exposed to chromium.
WS/T 37-1996 history
1996WS/T 37-1996 Urine.Determination of chromium.Graphite furnace atomic absorption spectrometric method
WS/T 37-1996 Urine.Determination of chromium.Graphite furnace atomic absorption spectrometric method was changed to GBZ/T 306-2018 Determination of Chromium in Urine Graphite Furnace Atomic Absorption Spectrometry.