GB/T 19465-2004 Isobutane for industrial use (HC-600a)

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 6602 GB/T 6680-2003 General rules for sampling liquid chemical products GB/T 7373-1987 Monochlorodifluoromethane for industrial uses GB/T 7375-1987 Fluorinated methanes for industrial uses—Determination of purity—Gas chromatography GB 190-1990 Labels for packages of dangerous goods GB 190-2009 Packing symbol of dangerous goods 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 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/T 10627-1989 Gas analysis—Preparation of calibration gas mixtures—Static volumetric methods GB/T 10670-1989 Fluorinated methanes for industrial uses—Determination of micro-amounts of water—Electrolytic method GB/T 11141-1989 Light olefins for industrial use—Determination of traces of sulfur—Oxidative microcoulometric method GB/T 11141-2014 Light olefins for industrial use—Determination of trace sulfur GB 14193-1993 Rules for filling of liquefied gas cylinders GB/T 14193-2009 Rules for filling of liquefied gas cylinders SY/T 7509-2014 The test methods for residuals of liquefied petroleum gas SY/T 7509-1996 Liquefied Petroleum Gas Residue Determination Method GB/T 14193.1-2025 Rules for the filling of liquefied gas cylinders—Part1:Industrial gas cylinder GB/T 9722-2023 Chemical reagent—General rules for the gas chromatography