GB/T 16983-2021
Chemical reagent—Dichloromethane
GB/T 4117-2008
Methylene chloride for industrial use
GB/T 7979-2020
Pulp—Determination of dichloromethane soluble matter
QB/T 2718-2018
GB/T 7372-1987
Dichlorodifluoromethane for industrial uses
\u0413\u041e\u0421\u0422 ISO 4048-2021
Leather. Chemical tests. Determination of matter soluble in dichloromethane and free fatty acid content
BS EN ISO 4048:2018
Leather. Chemical tests. Determination of matter soluble in dichloromethane and free fatty acid content
EN ISO 4048:2018
GB/T 13526-2007
Unplasticized polyvinyl chloride(PVC-U) pipes dichloromethane resistance test method
KS M ISO 4048-2020
Leather — Chemical tests — Determination of matter soluble in dichloromethane and free fatty acid content
GBZ/T 300.73-2017
Determination of toxic substances in workplace air-Part 73: Methyl chloride, dichloromethane, chloroform and carbon tetrachloride
ISO 4048:2018
Leather — Chemical tests — Determination of matter soluble in dichloromethane and free fatty acid content
GBZ/T 326-2022
GB/T 4117-1992
Methylene chloride for industrial use
GB/T 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
GB 4117-4118-1992
Methylene chloride for industrial use Trichloromethane for industrial use
GB/T 16983-1997
Chemical reagent Dichloromethane
YS/T 1284-2018
1,1'-bis(diphenylphosphino)ferrocene palladium dichloride dichloromethane complex
GB/T 7979-2005
Pulps—Determination of dichloromethane soluble matter
BS 06/30153841 DC
EN ISO 4048. Leather. Chemical tests. Determination of matter soluble in dichloromethane and free fatty acid content