GB/T 26608-2011 Recovered methyl chloride for industrial use

GB/T 7373-2006 Monochlorodifluoro methane for industrial uses GB/T 7376-2008 Determination of micro-amounts of water in industrial fluorinated alkane GB 190-1990 Labels for packages of dangerous goods GB 190-2009 Packing symbol of dangerous goods 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 5100-1994 Welded steel gas cylinders GB/T 5100-2011 Welded steel gas cylinders GB/T 5100-2020 Welded steel gas cylinders GB/T 6678-2003 General principles for sampling chemical products 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 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 9722-2006 Chemical reagent—General rules for the gas chromatography GB 14193-1993 Rules for filling of liquefied gas cylinders GB/T 14193-2009 Rules for filling of liquefied gas cylinders GB/T 14193.1-2025 Rules for the filling of liquefied gas cylinders—Part1:Industrial gas cylinder GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 9722-2023 Chemical reagent—General rules for the gas chromatography