GB/T 33107-2016 Dimethyl carbonate for industrial use

GB/T 4472-2011 Detemination of density and relative density for chemical products JY/T 023-1996 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/T 6283-1986 Chemical products—Determination of water—Karl fischer method (general method) GB/T 6283-2008 Chemical products—Determination of water Karl·fischer method(general method) 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 23942-2009 Chemical reagent—General rules for inductively coupled plasma atomic emission spectrometry GB 30000.7-2013 Rules for classification and labelling of chemicals—Part 7:Flammable liquids 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