GB 10621-2006 Food additive liquid carbon dioxide

GB 10621-1989 Food additive Liquid carbon dioxide (from lime-kiln and ammonia plant off gases) GB 1917-1994 Food additive—Liquid carbon dioxide(from alcohol fermentation plant)

GB 1886.228-2016 Food Safety National Standard for Additives: Carbon Dioxide

GB/T 8984.1-1997 Determination of carbon monoxide,carbon dioxide and hydrocarbon in the gases—Part 1:Determination of carbon monoxide,carbon dioxide and mathane in the gases—Gas chromatographic method GB/T 8984.3-1997 Determination of carbon monoxide,carbon dioxide and hydrocarbon in the gases—Part 3:Determination of total hydrocarbon in gases—Flame ionization method GB/T 11061-1997 Natural gas—Determination of sulfur—Oxidative microcoulometry method GB/T 16031-1995 Workplace air—Determination of ammonia—Nessler's reagent spectrophotometric method GB/T 16032-1995 Workplace air—Determination of nitrogen oxides—Naphthyl ethylenediamine dihydrochloride spectrophotometric method GB/T 16033-1995 Workplace air—Determination of hydrogen cyanide and cyanides—Sodium isonicotinate-sodium barbiturate spectrophotometric method 气瓶安全监察规程 压力容器安全技术监察规程 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 5099-1994 Seamless steel gas cylinders GB/T 5099.1-2017 Seamless steel gas cylinders—Part 1:Quenched and tempered steel cylinders with tensile strength less than 1 100 MPa GB/T 5099.3-2017 Seamless steel gas cylinders—Part 3:Normalized cylinders GB/T 5099.4-2017 Seamless steel gas cylinders—Part 4:Seamless stainless steel gas cylinders GB/T 5274-1985 Gas analysis—Preparation of calibration gas mixtures—Weighing methods GB/T 5274-2008 Gas analysis—Preparation of calibration gas mixtures—Gravimetric method GB/T 5274.1-2018 Gas analysis—Preparation of calibration gas mixtures—Part 1:Gravimetric method for class Ⅰ mixtures GB/T 5832.2-1986 Determination of trace water in the gases—Dew point method GB/T 5832.2-2008 Determination of moisture in gases—Part 2:Dew point method GB/T 5832.2-2016 Gas analysis—Determination of moisture—Part 2:Dew point method GB/T 6285-2003 Determination of trace oxygen in gases—Eletrochemical method GB/T 6285-2016 Determination of trace oxygen in gases—Electrochemical method 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 7144-1999 Colored cylinder mark for gases GB/T 7144-2016 Coloured cylinder mark for gases GB/T 7445-1995 Pure hydrogen and high pruity hydrogen and ultra pure hydrogen GB 14193-1993 Rules for filling of liquefied gas cylinders GB/T 14193-2009 Rules for filling of liquefied gas cylinders JB/T 6898-2015 JBT 6898-2015 Low Temperature Liquid Storage and Transportation Equipment Safety Rules of Use JB 6898-1997 Low-temperature liquid transportation equipment safety rules JB/T 6897-2000 Low-temperature liquid transportation vehicle GB/T 14193.1-2025 Rules for the filling of liquefied gas cylinders—Part1:Industrial gas cylinder