GB/T 1717 Determination of pH value of an aqueous suspension of pigments
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 3049 Chemical products for industrial use. General method for determination of iron content 1, 10 Phenanthroline spectrophotometric method
GB/T 5211.15 General methods of test for pigments and extenders.Part 15:Determination of oil absorption value
GB/T 5211.2 Determination of matter soluble in water of pigments hot extraction method
GB/T 5211.3 General methods of test for pigments and extenders—Part 3: Determination of matter volatile at 105℃*, 2020-11-19 Update
GB/T 5950 Method for measurement of whiteness of building materials and non-metal mineral products
GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*, 2022-10-12 Update
GB/T 6678 General principles for sampling chemical products
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
HG/T 3696.1 Inorganic chemicals for industrical use Preparations of standard and reagent solutions for chemical analysis.Part 1:Preparations of standard volumetric solutions
HG/T 3696.3 Inorganic chemicals for industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 3: Preparations of reagent solutions
GB/T 2899-2017 history
2017GB/T 2899-2017 Barium sulphate precipitated for industrial use
2008GB/T 2899-2008 Barium sulphate precipitated for industrial use
1996GB/T 2899-1996 Barium sulphate,precipitated for industrial use