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GB/T 6017-2008 Butadiene for industrial use - Determination of purity and hydrocarbon impurities - Gas chromatographic method 150.0 via email in 1~3 business day valid
GB/T 3393-2009 Ethylene and propylene for industrial use—Determination of trace hydrogen—Gas chromatographic method 120.0 via email in 1~3 business day valid
GB/T 6020-2008 Butadiene for industrial use—Determination of tert-butyl-catechol (TBC) 150.0 via email in 1~3 business day valid
GB/T 12701-2014 Ethylene and propylene for industrial use―Determination of trace oxygenates―Gas chromatographic method 170.0 via email in 1~3 business day valid
GB/T 7716-2014 Propylene for polymerization—Specification 110.0 via email in 1~3 business day valid
GB/T 3394-2009 Ethylene and propylene for industrial use—Determination of trace carbon monoxide,carbon dioxide and acetylene—Gas chromatographic method 150.0 via email in 1~3 business day valid
GB/T 13291-2008 Butadiene for industrial use—Specification 105.0 via email in 1~3 business day valid
GB/T 3391-1991 Ethylene for industrial use--Determination of hydrocarbon impurities--Gas chromatographic method 90.0 via email in 1~3 business day superseded
GB/T 13530.2-1992 Sodium ethoxylated alkyl sulfate-Determination of unsulfated matter content 30.0 via email in 1~3 business day abolished
GB/T 5178-1985 Determination of mean relative molecular mass for technical straight-chain sodium alkyl benzene sulphonates; Gas-liquid chromatographic method 75.0 via email in 1~3 business day superseded
GB/T 17828-1999 Butadiene for industrial use--Determination of peroxides--Titrimetric method 85.0 via email in 1~3 business day valid
GB/T 6015-1999 Butadiene for industrial use-Determination of trace dimer -Gas chromatographic method 90.0 via email in 1~3 business day valid
GB/T 19465-2004 Isobutane for industrial use (HC-600a) 225.0 via email in 1~3 business day valid
GB/T 6020-1999 Butadiene for industrial use-Determination of tert-butyl-catechol(TBC)[4-(1,1-dimethylethyl)-1,2-benzenediol]-Spectrometric method 105.0 via email in 1~3 business day superseded
GB/T 7715-2014 Ethylene for industrial use—Specification 110.0 via email in 1~3 business day valid
SH/T 1674-1999 Cyclohexane for industrial use-Determination of purity and hydrocarbon impurities-Gas chromatographic method 150.0 via email in 1~3 business day valid
GB 14544-2008 Production of vinyl chloride from calcium carbide and acetylene-safety technology code 120.0 via email in 1 business day valid
GB/T 6012-1999 Butadiene for industrial use-Testing of appearance 60.0 via email in 1~3 business day valid
GB/T 15597-1995 Polymethyl methacrylate (PMMA) moulding materials 135.0 via email in 1~3 business day abolished
SH/T 1547-2004 1-Butene for industrial use - Determination of trace methanol and methyl tert-butyl ether - Gas chromatographic method 90.0 via email in 1~3 business day valid
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