GB/T 9107-2023 Refined cotton

GB/T 9107-1999 Refined cotton

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 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 740-2003 Pulps—Sampling for testing GB/T 1539-2007 Paperboard—Determination of bursting strength GB/T 1541-2007 Paper and board—Determination of dirt GB/T 1541-2013 Paper and board—Determination of dirt GB/T 1548-2004 Pulps-Determination of viscosity GB/T 1548-2016 Pulps—Determination of limiting viscosity number in cupri-ethylenediamine(CED) solution GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 8946-1998 Plastic woven sack GB/T 8946-2013 General technical requirements of plastic woven sack GB/T 22902-2008 Pulps—Determination of acetone-soluble matter QB/T 2190-2010 steel wire brush QB/T 2190-1995 wire brush GB/T 22902-2025 Pulps—Determination of acetone-soluble matter