Test methods of papermaking raw materials, pulps, paper products and papermaking auxiliaries, catalog, Chinese national standards
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GB/T 460 Paper - determination of the sizing value
GB/T 743 Pulps - Determination of ether solubles
GB/T 745 Pulps - Determination of pentosan content
GB/T 747 Pulps - Determination of acid-insoluble lignin
GB/T 2677.4 Fibrous raw material - Determination of water solubility
GB/T 2677.5 Fibrous raw material - Determination of one percent sodium hydroxide solubility
GB/T 2677.6 Fibrous raw material - Determination of solvent extractives
GB/T 2677.8 Fibrous raw material - Determination of acid-insoluble lignin
GB/T 2677.9 Fibrous raw material - Determination of pentosan
GB/T 2677.10 Fibrous raw material - Determination of holocellulose
GB/T 4688 Paper, board and pulps - Analysis of fiberfurnish
GB/T 7978 Pulps - Determination of acid-insoluble ash
GB/T 7979 Pulps - Determination of dichloromethane soluble matter
GB/T 10337 Raw material and pulp - Determination of acid - soluble lignin
GB/T 10338 Pulps - Determination of carboxyl content
GB/T 10741 Pulps - Determination of alcohol-benzene solubles
GB/T 10742 Raw fiber material - Determination of pectin content
GB/T 12033 Determination of carbohydrate composition in raw materials and pulps by gas chromatography
GB/T 21557 Waste paper - Estimation of stickies
GB/T 22902 Pulps - Determination of acetone-soluble matter
GB/T 24993 Measurement of Zeta potential at paper machine wet end
GB/T 24994 Measurement of colloidal charge at paper machine wet end
GB/T 25001 Paper, board and Pulp - Determination of 7 specified polychlorinated biphenyls(PCBs)
GB/T 25002 Paper, board and pulp - Determination of pentachlorophenol in an aqueous extract