QB/T 2429-2006 Base paper for diazotype

QB/T 2429-1999 QB/T 2429-1999 Photographic paper base paper

GB/T 1541-2007 Paper and board—Determination of dirt GB/T 1541-2013 Paper and board—Determination of dirt GB/T 1545.2-2003 Paper, board and pulp-Determination of pH of aqueous extracts GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 450-2002 Paper and board—Sampling for testing GB/T 450-2008 Paper and board—Sampling for testing and identification of machine and cross direction,wire side and felt side GB/T 451.1-2002 Paper and board—Determination of size and deviation GB/T 451.2-2002 Paper and board—Determination of grammage GB/T 451.2-2023 Paper and board—Part 2:Determination of grammage GB/T 451.3-2002 Paper and board—Determination of thickness GB/T 453-2002 Paper and board—Determination of tensile properties(Constant rate of loading methods) GB/T 456-2002 Paper and board—Determination of smoothness (Bekk method) GB/T 457-2002 Paper—Determination of folding endurance (Schopper method) GB/T 457-2008 Paper and board—Determination of folding endurance GB/T 1540-2002 Paper and board-Determination of water absorption-Cobb method GB/T 10342-2002 Paper—Package and mark GB/T 10739-2002 Paper, board and pulps—Standard atmosphere for conditioning and testing GB/T 10739-2023 Paper,board and pulps—Standard atmosphere for conditioning and testing GB/T 12914-1991 Paper and board—Determination of tensile properties—Constant rate of elongation method GB/T 12914-2008 Paper and board—Determination of tensile properties GB/T 12914-2018 Paper and board—Determination of tensile properties—Constant rate of elongation method(20 mm/min) GB/T 462-2003 Paper and board—Determination of moisture content GB/T 462-2008 Paper,board and pulp—Determination of moisture content of analytical sample GB/T 462-2023 Paper, board and pulps—Determination of moisture content of analytical sample GB/T 5405-2002 Paper-Determination of the sizing value(Liquid permeance method) GB/T 7974-2002 Paper, board and pulp-Measurement of brightness—Diff/Geometry GB/T 7974-2013 Paper,board and pulps—Measurement of diffuse blue reflectance factor—D65 brightness(Diff/ Geometry,Outdoor daylight conditions) GB/T 8940.1 GB/T 8943.2-2008 Paper,board and pulps—Determination of iron