GB/T 742-2018造纸原料、纸浆、纸和纸板灼烧残余物(灰分)的测定(575℃和900℃)国家标准
英文:Fibrous raw material, pulp, paper and board—Determination of residue(ash) on ignition at 575℃ and 900℃ GB/T 742-2018介...
英文:Fibrous raw material, pulp, paper and board—Determination of residue(ash) on ignition at 575℃ and 900℃ GB/T 742-2018介...