GB/T 35953-2018 English PDF (GBT35953-2018)

This Standard specifies reagents and materials, instruments and equipment, analytical procedures, calculation of results, recovery and precision, allowable difference, etc. of headspace gas chromatography for dichloromethane and 1,1,1-trichloroethane in cosmetics. This Standard is applicable to the determinations of dichloromethane and 1,1,1-trichloroethane in cream, milk, liquid, water cosmetics. The detection limits of this Standard for dichloromethane and 1,1,1-trichloroethane are 0.070mg/kg and 0.0010mg/kg, respectively. The limits of quantification are 0.25mg/kg and 0.0050mg/kg, respectively.