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Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB 17602-1998 Commercial hexanes 130.0 via email in 1~3 business day valid
GB 3144-1982 Toluene;Determination of hydrocarbon impurities;Gas chromatographic method 60.0 via email in 1~3 business day valid
GB 3145-1982 Benzene;Determination of crystallizing point 45.0 via email in 1~3 business day valid
GB 3209-1982 Method for determining the amount of distillation residual of benzene;Type products 30.0 via email in 1~3 business day superseded
GB 4117-1992 Methylene chloride for industrial use 60.0 via email in 1~3 business day superseded
GB 5177.2-1985 Determination of sulphonatable matter content for industrial alkylbenzene 15.0 via email in 1~3 business day superseded
GB/T 11138-1994 Industrial aromatic hydrocarbons-Test method of copper corrosion 30.0 via email in 1~3 business day valid
GB/T 12688.1-1998 Styrene for industrial use-Determinaiton of purity-Gas chromotographic method 344.0 via email in 1~3 business day abolished
GB/T 12688.1-2011 Test method of styrene for industrial use—Part 1:Determination of purity and hydrocarbon impurities—Gas chromatography 180.0 via email in 1~3 business day superseded
GB/T 12688.1-2019 Test method of styrene for industrial use—Part 1:Determination of purity and hydrocarbon impurities—Gas chromatography 165.0 via email in 1~3 business day valid
GB/T 12688.10-2020 Test method of styrene for industrial use—Part 10: Determination of oxygenates—Gas chromatography 120.0 via email in 1~3 business day to be valid
GB/T 12688.3-1990 Styrene for industrial use-Determination of content of polymer-Photometric method 184.0 via email in 1~3 business day abolished
GB/T 12688.3-2011 Test method of styrene for industrial use—Part 3:Determination of content of polymer 120.0 via email in 1~3 business day valid
GB/T 12688.4-1990 Styrene for industrial use-Determinaiton of content of peroxides-Titrimetric method 184.0 via email in 1~3 business day superseded
GB/T 12688.4-2011 Test method of styrene for industrial use—Part 4:Determination of content of peroxides—Titrimetric method 120.0 via email in 1~3 business day valid
GB/T 12688.5-1990 Styrene for industral use-Determinaiton of content of total aldehydes-Titrimetric method 184.0 via email in 1~3 business day superseded
GB/T 12688.5-2011 Test method of styrene for industrial use—Part 5:Determination of content of total aldehydes—Titrimetric method 120.0 via email in 1~3 business day superseded
GB/T 12688.5-2019 Test method of styrene for industrial use—Part 5:Determination of the content of total aldehydes—Titrimetric method 165.0 via email in 1~3 business day valid
GB/T 12688.6-1990 Styrene for industrial use-Determinaiton of trace sulfur-Oxidative micro-coulometric method 134.0 via email in 1~3 business day abolished
GB/T 12688.8-1998 Styrene for industrial use-Determination of content of inhibitor (p-tert-butylcatechol)-Spectrophotometric method 224.0 via email in 1~3 business day superseded


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