Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services


Title Standard No. Implemented On
Gas analysis—Guide for quality assurance of on line automatic measuring systemGB/T 36090-20182018-10-1
Carbon monoxideGB/T 35995-20182018-10-1
Classification of the mixture gas—Part 3:Flammable classificationGB/T 34710.3-20182018-9-1
Gas analysis—Contents of certificates for calibration gas mixturesGB/T 35860-20182018-9-1
Classification of the mixture gas—Part 2:Corrosive classificationGB/T 34710.2-20182018-9-1
Gas analysis—General quality assurance aspects in the use of calibration gas mixtures—GuidelinesGB/T 35861-20182018-9-1
Gas mixtures—Gravimetric preparation—Mastering correlations in compositionGB/T 35530-20172018-7-1
Safety guidelines for cryogenic liquefied gasesGB/T 35528-20172018-7-1
Safety rules for handling, loading and unloading, storing and using of cylinderGB/T 34525-20172018-5-1
Classification of the mixture gas―Part 1:Toxic classificationGB/T 34710.1-20172018-5-1
Guide for ammonia effluent handling in LED industryGB/T 35315-20172018-4-1
Technical guideline for formic acid preparation from yellow phosphorus tail gasGB/T 34226-20172018-4-1
Technical code for safety of formic acid preparation from yellow phosphorus tail gasGB/T 34245-20172018-4-1
Gas analysis―Guidelines for purification of gases for trace analysis instrumentGB/T 33360-20162018-1-1
Gas for electronic industry-PropyleneGB/T 33774-20172017-12-1
Gas for electronic industry―SilaneGB/T 15909-20172017-12-1
Gas for electronic industry-HexafluoroethaneGB/T 34091-20172017-11-1
Gas for electronic industry-TrifluoromethaneGB/T 34085-20172017-11-1
Gas analysis―Determination of moisture―Part 2:Dew point methodGB/T 5832.2-20162017-7-1
Gas analysis―Determination of moisture―Part 1:Electrolytic methodGB/T 5832.1-20162017-7-1
Determination of trace oxygen in gases―Electrochemical methodGB/T 6285-20162017-7-1
Determination of hydrogen sulfide carbonyl sulfide methanethiol and dimethyl sulfide in coal-based syngas―Gas chromatographGB/T 33443-20162017-7-1
Pure methane and high pure methaneGB/T 33102-20162017-5-1
Gases for electronic industry―Tungsten hexaflourideGB/T 32386-20152016-7-1
Gas for electronic industry―PerfluoropropaneGB/T 31986-20152016-5-1
Gas for electronic industry―GermaneGB/T 31987-20152016-5-1
Technical Requirements for Automation Control System of Liquid Chlorine Cylinder FillingAQ 3051-20152015-9-1
Gases for electronic industry―Silicon tetrafluorideGB/T 31058-20142015-7-1
Gases for electronic industry―High purity chlorineGB/T 18994-20142015-7-1
Gases for electronic industry―Sulphur hexaflourideGB/T 18867-20142015-7-1
Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 7:Thermal mass-flow controllersGB/T 5275.7-20142014-12-1
Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 6:Gritical orificesGB/T 5275.6-20142014-12-1
Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 8:Diffusion methodGB/T 5275.8-20142014-12-1
Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 4:Continuous syringe injection methodGB/T 5275.4-20142014-12-1
Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 5:Capillary calibration devicesGB/T 5275.5-20142014-12-1
Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 9:Saturation methodGB/T 5275.9-20142014-12-1
Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 1:Methods of calibrationGB/T 5275.1-20142014-12-1
Industrial sulfur hexafluorideGB/T 12022-20142014-12-1
Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 11:Electrochemical generationGB/T 5275.11-20142014-12-1
Pure neon and high purity neonGB/T 17873-20142014-12-1
Essential requirements for the safety of hydrogen systemsGB/T 29729-20132014-1-1
Gas analysis—Determination of sulfides—Gas chromatograph with flame photometric detectorGB/T 28727-20122013-2-1
Gas analysis—Gas chromatograph with helium ionization detectorGB/T 28726-20122013-2-1
Nitrous oxideGB/T 28729-20122013-2-1
Determination of trace oxygen in the gases—Colorimetric methodGB/T 5831-20112012-10-1
Hydrogen—Part 2:Pure hydrogen,high pure hydrogen and ultrapure hydrogenGB/T 3634.2-20112012-10-1
Pure helium,high pure helium and ultra pure heliumGB/T 4844-20112012-10-1
Industrial heliumGB/T 28123-20112012-10-1
Determination of hazardous materials in air separation process—Part 1:Determination of hydrocarbonsGB/T 28125.1-20112012-10-1
Determination of trace hydrogen,oxygen,methane and carbon monoxide in the inert gases—Gas chromatographic methodGB/T 28124-20112012-10-1
Determination of moisture in gases—Part 3:The method of Cavity Ring-Down SpectroscopyGB/T 5832.3-20112012-10-1
Industrial liquid carbon dioxideGB/T 6052-20112012-10-1
Argon for glow lampHG/T 2863-20112012-7-1
Determination of particle in gases—Light-scattering method—Part 1:Determination of particle in pipeline gasesGB/T 26570.1-20112011-11-1
Safety guideline for the evaluation of toxic and flammable gas detection systemsGB/T 26073-20102011-10-1
Gases for electronic industry-Boron trichlorideGB/T 17874-20102011-5-1
Gases for electronic industry—Hydrogen selenideGB/T 26249-20102011-5-1
Fluorine and mixed gases of fluorine-nitrogenGB/T 26251-20102011-5-1
Gases for electronic industry—ArsineGB/T 26250-20102011-5-1
Oxygen supplies for medicine and aircraft breathingGB 8982-20092010-6-1
Compressed petroleum gas with synergistHG/T 4098-20092010-6-1
Propane with synergistHG/T 4097-20092010-6-1
Gas for electronic industry - PhosphineGB/T 14851-20092010-5-1
Gas for electronic industry-AmmoniaGB/T 14601-20092010-5-1
Gas for electronic industry—OxygenGB/T 14604-20092010-5-1
Gas for electronic industry—HeliumGB/T 16943-20092010-5-1
Oxygen supplies for medicine and aircraft breathingGB/T 8982-20092010-5-1
Gas for electronic industry - SilaneGB/T 15909-20092010-5-1
Gas for electronic industry—NitrogenGB/T 16944-20092010-5-1
Gas for electronic industry—HydrogenGB/T 16942-20092010-5-1
Gas for electronic industry - Nitrous OxideGB/T 14600-20092010-5-1
Gas for electronic industry—ArgonGB/T 16945-20092010-5-1
Gases for electronic industry-Boron trifluorideGB/T 14603-20092010-5-1
Gas analysis—Preparation of calibration gas mixtures using dynamic volumetric methods—Part 10:Permeation methodGB/T 5275.10-20092010-2-1
High purity carbon dioxideGB/T 23938-20092010-2-1
Gas for electronic industry - 5N hydrogen chlorideGB/T 24469-20092009-12-1
Technical safety regulation for gaseous hydrogen useGB 4962-20082009-10-1
Aerosol grade n-butane (A-17)GB/T 22024-20082009-2-1
Aerosol grade isobutane(A-31)GB/T 22025-20082009-2-1
Aerosol grade propane(A-108)GB/T 22026-20082009-2-1
Pentane vesicantGB/T 22053-20082009-2-1
Gas analysis - Preparation of calibration gas mixture - Gravimetric methodGB/T 5274-20082009-1-1
Determination of moisture in gases - Part 2: Dew point method GB/T 5832.2-20082008-12-1
Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixturesGB/T 10628-20082008-11-1
Determination of trace hydrogen in gases - Gas chromatographic method GB/T 8981-20082008-11-1
Pure nitrogen and high purity nitrogen and ultra pure nitrogen GB/T 8979-20082008-11-1
Industrial oxygenGB/T 3863-20082008-11-1
Industrial NitrogenGB/T 3864-20082008-11-1
Determination of carbon monoxide carbon dioxide and hydrocarbon in gases - Gas chromatographic method GB/T 8984-20082008-11-1
Gas analysis - VocabularyGB/T 14850-20082008-11-1
Pure oxygen and high purity oxygen and ultra pure oxygenGB/T 14599-20082008-11-1
Gases for electronic industry—Nitrogen trifluorideGB/T 21287-20072008-7-1
Argon GB/T 4842-20062007-2-1
XenonGB/T 5828-20062007-2-1
KryptonGB/T 5829-20062007-2-1
Liquid chlorine for industrial useGB 5138-20062006-12-1
Hydrogen―Part 1: Industrial hydrogenGB/T 3634.1-20062006-11-1
Stable isotope gaseous neonHG/T 3789-20052006-1-1
Mixed gas for welding Argon - Carbon dioxideHG/T 3728-20042005-6-1
Determination of moisture in gases—Part 1:Electrolytic methodGB/T 5832.1-20032003-9-1
Determination of trace oxygen in gases-Eletrochemical methodGB/T 6285-20032003-9-1
Gases for electronic industry—High purity chlorineGB/T 18994-20032003-8-1
Gases for electronic industry--Sulfur hexafluorideGB/T 18867-20022003-4-1
Determination of Trace Hydrogen, Oxygen, Methane and Carbon Monoxide In Inert Gas - Gas Chromatographic Method with Zirconia Detector HG/T 2686-19952001-3-1
Burning gases for welding and cutting - propeneHG/T 3661.1-19991999-6-4
Burning gases for welding and cutting - propaneHG/T 3661.2-19991999-6-4
Pure methaneHG/T 3633-19991999-6-4
Gaseous oxygen supplies for medicineGB 8982-19981999-4-1
Gases for electronic industry--HydrogenGB/T 16942-19971998-5-1
High purity nitrogenGB/T 8980-19961997-5-1
Industrial nitrogenGB/T 3864-19961997-5-1
KryptonGB/T 5829-19951996-8-1
Pure argonGB/T 4842-19951996-8-1
XenonGB/T 5828-19951996-8-1
Industrial oxygenGB/T 3863-19951996-8-1
High purity argonGB/T 10624-19951996-8-1
Medical Nitrous Oxide HG 2685-19951996-1-1
Determination of trace oxygen in gases-Phosphor chemiluminescence methodGB/T 14852-19931994-10-1
Gas analysis-VocabularyGB/T 14850-19931994-10-1
Determination of trace argon, nitrogen and krypton in oxygen-Gas chromatographic methodGB/T 14605-19931994-7-1
Commerial liquid carbon dioxideGB/T 6052-19931994-7-1
for electronic industry. Hydrogen chlorideGB/T 14602-19931994-7-1
Coal mine explosion-proof diesel engine exhaust carbon monoxide nitrogen oxides inspection specificationMT 220-19901990-11-1
Carbon Dioxide for Welding Usage HG/T 2537-19931990-10-1
Gas analysis--Preparation of calibration gas mixtures--Static volumetric methodsGB/T 10627-19891990-5-1
Argon Gas Used in Heat TreatmentHB 5412-19881988-10-1
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