GB/T 34707-2017 o-Chlorotoluene for industrial use

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 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 6324.8-2014 Test methods of organic chemical products—Part 8:Determination of water of liquid products—Carl·fischer coulometric method 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/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 9722-2023 Chemical reagent—General rules for the gas chromatography