Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
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GB/T 23274.6-2009 Methods for chemical analysis of stannic oxide - Part 6: Determination of sulfate content - Visual turbidimetry method 80.0 via email in 1~3 business day valid
QJ 2324-1992 75.0 via email in 1~3 business day valid
GB/T 34710.3-2018 Classification of the mixture gas—Part 3:Flammable classification 130.0 via email in 1~3 business day valid
JC/T 1021.2-2007 Methods for chemical analysis of nonmetal mineral and rock Part 2:Methods for chemical analysis of silicate rock、mineral and kiesel material 730.0 via email in 1~8 business day valid
GB 19601-2004 Limit and determination of 23 harmful aromatic amines in dye produts 409.0 via email in 1 business day abolished
GB/T 23836-2009 Determination of molybdate in industrial circulating cooling water - Spectrometric method using thiocyanate 120.0 via email in 1~3 business day valid
GB/T 6908-2018 Analysis of water used in boiler and cooling system—Determination of electrical conductivity 100.0 via email in 1~3 business day valid
GB/T 6288-1986 Determination of particle size for granular molecular sieve 110.0 via email in 1~3 business day to be abolished
GB/T 40189-2021 Determination of metronidazole and norfloxacin in toothpaste—High performance liquid chromatography method 90.0 via email in 1~3 business day valid
GB/T 6287-1986 Determination of static adsorbed water for molecular sieve 70.0 via email in 1~3 business day to be abolished
GB/T 28894-2012 Surface chemical analysis - Handling of specimens prior to analysis 180.0 via email in 1~3 business day valid
HG/T 4542-2013 Circulating Cooling Water - Determination of Polyepoxysuecinic Acid 120.0 via email in 1~3 business day valid
JC/T 1021.7-2007 Methods for chemical analysis of nonmetal mineral and rock Part 7:Methods for chemical analysis of barite 300.0 via email in 1~5 business day valid
GB/T 5832.2-1986 Determination of trace water in the gases--Dew point method 220.0 via email in 1~3 business day abolished
HG/T 3525-2003 Industrial circulating cooling water-Determination of aluminium-Spectrometric method using pyrocat 184.0 via email in 1~3 business day abolished
QJ/Z 122-1983 Analysis Method for Conductive Oxidizing Solution of Aluminium and Aluminium Alloy 60.0 via email in 1~3 business day valid
GB/T 28633-2012 Surface chemical analysis—X-ray photoelectron spectroscopy—Repeatability and constancy of intensity scale 210.0 via email in 1~3 business day valid
GB/T 25186-2010 Surface chemical analysis—Secondary-ion mass spectrometry—Determination of relative sensitivity factors from ion-implanted reference materials 100.0 via email in 1~3 business day valid
HG/T 4325-2012 Reclaimed water—Determination of calcium and magnesium—Atomic absorption spectromic method 130.0 via email in 1~3 business day valid
GB/T 35098-2018 Microbeam analysis—Transmission electron microscopy—Morphological identification method of plant virusesby transmission electron microscopy 250.0 via email in 1~3 business day valid


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