This standard specifies the high performance liquid chromatography method for the determination of hippuric acid and methylhippuric acid in urine. The minimum detection concentrations of this method are 0.015 mg/L for hippuric acid and 0.03 mg/L for methylhippuric acid. This standard is applicable to the determination of hippuric acid and methylhippuric acid in the urine of normal people and workers exposed to toluene and xylene.
WS/T 53-1996 history
1996WS/T 53-1996 Urine.Determination of hippuric acid and methylhippuric acid.High performance liquid chromatographic method