GB/T 6820-1992 Synthetic ethanol for industrial use

GB 6820-1986

GB/T 6820-2016 Ethanol for industrial use

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity 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 1250-1989 Rules for expression and judgement of limiting values GB/T 3143-1982 Color determination method of liquid chemicals (Hazen unit—platinum-cobalt scale) GB/T 6324.1-1986 Organic chemical products for industrial use—Standard test method for water miscibility GB/T 6324.1-2004 Test method of organic chemical products—Part 1:Water miscibility test of liquid organic chemical products GB/T 6324.2-1986 Volatile organic liquids—Determination of dry residue after evaporation on a water bath—General method GB/T 6324.2-2004 Test method of organic chemical products—Part 2:Determination of dry residue after evaporation on a water bath for volatile organic liquids GB/T 6324.3-1993 Organic chemical products for industrial use—Test method for the determination of permanganate-reducing substances GB/T 6324.3-2011 Test method of organic chemical products—Part 3:Determination of permanganate-reducing substances GB/T 6680-2003 General rules for sampling liquid chemical products 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 602-2026 Chemical reagent—Preparations of standard solutions for impurity

BS 507:1985