Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 7534-2004 Volatile organic liquides for industrial use—Determination of boiling range 125.0 via email in 1~3 business day valid
GB/T 6324.3-2011 Test method of organic chemical products—Part 3:Determination of permanganate-reducing substances 110.0 via email in 1~3 business day valid
YB/T 5071-2015 β-methyl pyridine fraction via email in business day valid
GB/T 18825-2002 Cyclopentane for industrial use 150.0 via email in 1~3 business day valid
GB/T 6324.6-2014 Test method of organic chemical products―Part 6:Determination of color for liquids―Tristimulus colorimetry 90.0 via email in 1~3 business day valid
YB/T 5097-1993 Method for the determination of 1 8-anphthalic anhydride content 30.0 via email in 1~3 business day abolished
GB/T 3396-2002 Ethylene and propylene for industrial use-Determination of trace oxygen-Electrochemical method 60.0 via email in 1~2 business day valid
GB/T 6324.1-2004 Test method of organic chemical products - Part 1: Water miscibility test of liquid organic chemical products 60.0 via email in 1~3 business day valid
YB/T 5097-2007 Method for the determination of 1 8-anphthalic anhydride content 60.0 via email in 1~3 business day valid
YB/T 5094-2005 Determination of solid coumarone-indene resin 45.0 via email in 1~3 business day superseded
YB/T 5074-2005 Determination of water content of pyridine products 60.0 via email in 1~3 business day valid
YB/T 5082-2005 Determination of incandesed residue of crude phenol 45.0 via email in 1~3 business day superseded
SN/T 1655-2005 Inspection of fluorinated benzene for import and export 90.0 via email in 1~3 business day valid
YB/T 5095-2005 Determination of acidity or alkalinity of solid coumarone-indene resin 45.0 via email in 1~3 business day superseded
GB/T 3391-2002 Ethylene for industrial use-Determination of hydrocarbon impurities-Gas chromatographic method 90.0 via email in 1~3 business day valid
GB/T 6324.2-2004 Test method of organic chemical products—Part 2:Determination of dry residue after evaporation on a water bath for volatile organic liquids 60.0 via email in 1~3 business day valid
YB/T 5071-2005 β - Picoline fraction 45.0 via email in 1~3 business day abolished
YB/T 5098-2007 Method for the determination of the melting point of 1 8-naphthalic anhydride 60.0 via email in 1~3 business day valid
YB/T 5098-1993 Method for the determination of the melting point of 1 8-naphthalic anhydride 30.0 via email in 1~3 business day abolished
GB/T 6324.5-2008 Test method of organic chemical products - Part 5: Determination of trace quantities of carbonyl compounds in organic chemicals 90.0 via email in 1~3 business day valid
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