塑料聚醚多元醇 第2部分:规格
Plastics-Polyether polyols-Part 2:Specification
Plastics-Polyether polyols-Part 2:Specification
Plasties-Polyether polyols Part 4:Determination of sodium and potassium
Plastics-Polyamidesn Part 2 :Determination of water content
Plastics-Unplasticized poly(vinyl chloride)(PVC-U) moulding and extrusion materials-Part 2: Preparation oftest specimens and determination of properties
Polyvinyl chloride paste-Determination of apparent viscosity by the Brookfield test method
Determination for molecular weight of polyacrylamide by viscometry
Designation of polyacrylamide
Determination for dissolving velocity of powder polyacrylamide
Determination for particle size of powder polyacrylamide
Determination for hydrolysis degree of partly hydrolysis polyacrylamide