Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 6284-2006 Chemical products for industrial use - General method for determination of water content - The loss of mass on drying method 60.0 via email in 1~3 business day valid
HG/T 3518-2011 Industrial circulating cooling water—Determination of mercaptobenzo-thiazole via email in business day valid
JC/T 1021.6-2007 Methods for chemical analysis of nonmetal mineral and rock Part 6 : Methods for chemical analysis of fluorite 225.0 via email in 1~3 business day valid
GB/T 6041-2002 General rules for mass spectrometric analysis 60.0 via email in 1 business day valid
GB/T 6288-1986 Determination of particle size for granular molecular sieve 60.0 via email in 1~3 business day valid
GB/T 23274.5-2009 Methods for chemical analysis of stannic oxide - Part 5: Determination of antimony content - Malachite green photometric method 120.0 via email in 1~3 business day valid
TB/T 2059.2-2006 Methods for analysis of diesel locomotive coolants Part 2:Determination of sodium silicate 75.0 via email in 1~3 business day valid
HG/T 3532-2011 Industrial circulating cooling water—Determination of ferrous sulphide for sludge and corrosion products via email in business day valid
GB/T 8570.3-2010 Determination of liquefied anhydrous ammonia—Part 3:Residue content—Gravimetric method 120.0 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 120.0 via email in 1~3 business day valid
GB/T 8570.6-2010 Determination of liquefied anhydrous ammonia—Part 6:Oil content—Gravimetric and infra-red methods 120.0 via email in 1~3 business day valid
QJ/Z 169-1986 Analysis Method for Black Nickel Plating Solution 90.0 via email in 1~3 business day valid
HG/T 3924-2007 Standard test method for performance of boiler water treatment chemicals - Dynamic simulation method 180.0 via email in 1~3 business day valid
HG/T 2752-1996 Determination of Free Acidity of Non-plasticised Cellulose Acetate 60.0 via email in 1~3 business day valid
GB/T 16631-2008 General rules for high performance liquid chromatography 240.0 via email in 1~2 business day valid
GB/T 14415-2007 Water for industrial circulating cooling system and boiler—Determination of solids matter 60.0 via email in 1~3 business day valid
GB/T 8570.1-2008 Determination of liquefied anhydrous ammonia - Part 1: Taking a laboratory sample 120.0 via email in 1~3 business day valid
GB/T 17361-2013 Microbeam analysis—Identification of authigenic clay mineral in sedimentary rock menthod by scanning electron microscope and energy dispersive spectrometer 270.0 via email in 1~3 business day valid
GB/T 15454-1995 Industrial circulating cooling water-Determination of sodium, ammonium, potassium, magnesium and calcium-Ions chromatography 105.0 via email in 1~3 business day abolished
HG/T 2756-1996 Determination of Gelation Time of Phenolic Resin under the Given Temperature with Automatic Meter 90.0 via email in 1~3 business day valid
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