GB/T 7351-2013 Fiber grade polyvinyl alcohol resins

GB/T 7351-1997 Polyvinyl alcohol resins for fibre grade

GB/T 6678-2003 General principles for sampling chemical products GB/T 6679-2003 General rules for sampling solid chemical products GB/T 7568.4-2002 Textiles—Tests for colour fastness—Specification for polyester adjacent fabric GB/T 12010.1-2008 Plastics—Poly(vinyl alcohol)(PVAL) materials—Part 1:Designation system and basis for specifications GB/T 12010.2-2010 Plastic—Poly (vinyl alcohol) (PVAL) materials—Part 2:Determination of properties GB/T 12010.3-2010 Plastic—Poly(vinyl alcohol)(PVAL) materials—Part 3:Specification GB/T 12010.5-2010 Plastic—Poly(vinyl alcohol) (PVAL) materials—Part 5:Determination for average polymerization degree GB/T 12010.7-2010 Plastics—Poly(vinyl alcohol) (PVAL) materials—Part 7:Determination for sodium hydroxide contents GB/T 12010.8-2010 Plastic—Poly (vinyl alcohol)(PVAL) materials—Part 8:Determination for transparency GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods 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 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 JJF 1070-2023 Rules of Metrological Testing for Net Quantity of Products in Prepackages with Fixed Content JJF 1070.1-2011 Rules of Metrological Testing for Net Quantity of Soap Products in Prepackages with Fixed Content JJF 1070.2-2011 Rules of Metrological Testing for Net Quantity of Wheat Flour Products in Prepackages with Fixed Content JJF 1070.3-2021 Rules of Metrological Testing for Net Quantity of Products in Prepackages with Fixed Content—Rice JJG 178-2007 Ultraviolet,Visible,Near-Infrared Spectrophotometers GB/T 191-2025 Graphical symbols marking for handling and storage of packages