GB/T 25789-2010 p-Phenylenediamine

GB/T 25789-2023 p-Phenylenediamine

GB/T 2384-2007 Dyes intermediates—General method for the determination of melting range GB/T 6678-2003 General principles for sampling chemical products GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB 12268-2005 List of dangerous goods 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 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 9722-2006 Chemical reagent—General rules for the gas chromatography GB 12463-1990 General specifications for transport packages of dangerous goods GB 12463-2009 General specifications for transport packages of dangerous goods GB 15258-1999 General rules for preparation of precautionary label for industrial chemicals GB 15258-2009 General rules for preparation of precautionary label for chemicals GB 15603-1995 Rule for storage of chemical dangers GB 15603-2022 General rules for the hazardous chemicals warehouse storage GB 16483-2000 General rules for preparation of chemical safety data sheet GB/T 16483-2008 Safety data sheet for chemical products—Content and order of sections 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