Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 26249-2010 Gases for electronic industry—Hydrogen selenide 240.0 via email in 1~3 business day valid
GB 10625-1989 60.0 via email in 1~3 business day superseded
GB/T 16944-2009 Gas for electronic industry—Nitrogen 180.0 via email in 1~3 business day valid
GB/T 31986-2015 Gas for electronic industry―Perfluoropropane 165.0 via email in 1~3 business day valid
GB/T 14605-1993 Determination of trace argon, nitrogen and krypton in oxygen-Gas chromatographic method 75.0 via email in 1~3 business day superseded
HG 2685-1995 Medical Nitrous Oxide 180.0 via email in 1~3 business day valid
HG/T 3661.2-1999 Burning gases for welding and cutting - propane 30.0 via email in 1~3 business day superseded
HG/T 2686-1995 Determination of Trace Hydrogen, Oxygen, Methane and Carbon Monoxide In Inert Gas - Gas Chromatographic Method with Zirconia Detector 90.0 via email in 1~3 business day valid
AQ 3051-2015 Technical Requirements for Automation Control System of Liquid Chlorine Cylinder Filling via email in business day valid
GB/T 5275.8-2014 Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 8:Diffusion method 255.0 via email in 1~3 business day valid
GB/T 8979-2008 Pure nitrogen and high purity nitrogen and ultra pure nitrogen 60.0 via email in 1~3 business day valid
GB/T 3864-2008 Industrial Nitrogen 60.0 via email in 1 business day valid
GB/T 5829-2006 Krypton 105.0 via email in 1~3 business day valid
GB 4962-2008 Technical safety regulation for gaseous hydrogen use 200.0 via email in 1 business day valid
GB/T 29729-2013 Essential requirements for the safety of hydrogen systems 450.0 via email in 1~3 business day valid
GB/T 5828-2006 Xenon 105.0 via email in 1~3 business day valid
GB/T 14850-2008 Gas analysis - Vocabulary 300.0 via email in 1~3 business day valid
GB/T 14603-2009 Gases for electronic industry-Boron trifluoride 180.0 via email in 1~3 business day valid
MT 220-1990 Coal mine explosion-proof diesel engine exhaust carbon monoxide nitrogen oxides inspection specification 210.0 via email in 1~3 business day valid
GB/T 14602-1993 for electronic industry. Hydrogen chloride 75.0 via email in 1~3 business day superseded
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