GB/T 13803.4-1999 Activated carbon for refinement of injection

GB/T 13803.1-1999 Wooden granular activated carbon for refining of sodium glutamate GB/T 13803.2-1999 Wooden activated carbon for water purification GB/T 13803.3-1999 Activated carbon for refining of sugar GB/T 13803.5-1999 Catalyst support activated carbon for vinyl acetate synthesis

ZB GB 002-1988

GB/T 12496.3-1999 Test methods of wooden activated carbon—Determination of ash content GB/T 12496.4-1999 Test methods of wooden activated carbon—Determination of moisture content GB/T 12496.7-1999 Test methods of wooden activated carbon—Determination of pH GB/T 12496.10-1999 Test methods of wooden activated carbon—Determination of methylene blue adsorption GB/T 12496.11-1999 Test methods of wooden activated carbon—Determination of quinine sulpoate adsorption GB/T 12496.13-1999 Test methods of wooden activated carbon—Determination of uncarbonized substances GB/T 12496.14-1999 Test methods of wooden activated carbon—Determination of cyanide GB/T 12496.15-1999 Test methods of wooden activated carbon—Determination of sulphide GB/T 12496.16-1999 Test methods of wooden activated carbon—Determination of chloride content GB/T 12496.17-1999 Test methods of wooden activated carbon—Determination of sulphate GB/T 12496.18-1999 Test methods of wooden activated carbon—Determination of acid-soluble substance GB/T 12496.19-1999 Test methods of wooden activated carbon—Determination of iron content GB/T 12496.20-1999 Test methods of wooden activated carbon—Determination of zine content GB/T 12496.22-1999 Test methods of wooden activated carbon—Determination of heavy metals