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GB/T 36562-2018 Coal direct liquefaction mixed aromatics (USD) via email in 1-3 business day VALID
GB/T 36566-2018 Coal direct liquefaction—Naphtha (USD) via email in 1-3 business day VALID
GB/T 4119-1993 Carbon tetrachloride for industrial use via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 37176-2018 Alcohols/Ethers-based aromatics (USD) via email in 1-3 business day VALID
GB/T 12688.1-2011 Test method of styrene for industrial use—Part 1:Determination of purity and hydrocarbon impurities—Gas chromatography (USD) via email in 1-3 business day ABOLISHED
GB/T 28901-2012 Analysis of coke-oven gas composition by gas chromatography (USD) via email in 1 business day VALID
GB/T 12688.8-2011 Test method of styrene for industrial use—Part 8:Determination of content of inhibitor(p-tert-butylcatechol)—Spectrophotometric method (USD) via email in 1-3 business day VALID
GB/T 18589-2001 Correction of atmospheric pressure for distillation test of products of coal carbonization via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
SH/T 1773-2012 1 2 4-Trimethylbenzene-Determination of purity and hydrocarbon impurities-Gas chromatographic method via email in VALID please email coc@codeofchina.com for quotation
GB/T 3915-2011 Styrene for industrial use (USD) via email in 1-3 business day VALID
GB/T 3208-2009 Standard test method for the total tulfur tontent in tenzene—Type products by oxidative microcoulometry (USD) via email in 1-3 business day VALID
GB/T 37175-2018 Coking carbazole (USD) via email in 1-3 business day VALID
GB/T 4895-1991 Synthetic camphor via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3069.2-1986 Method for the determination of the crystallization temperature of naphthalene via email in ABOLISHED please email coc@codeofchina.com for quotation
GB 5177.2-1985 Determination of sulphonatable matter content for industrial alkylbenzene (USD) via email in 1-3 business day ABOLISHED
GB/T 2283-2008 Coking benzene (USD) via email in 1-3 business day ABOLISHED
SH/T 1765-2008 Aromatic Hydrocarbons for industrial use Determination of Acidity Titrimetric method (USD) via email in 1-3 business day VALID
YB/T 4496-2015 Coke oven gas. Determination of the hydrogen sulfide content. Gas chromatography via email in VALID please email coc@codeofchina.com for quotation
GB/T 12688.9-2011 Test method of styrene for industrial use—Part 9:Determination of trace benzene—Gas chromatographic method (USD) via email in 1-3 business day VALID
GB/T 14327-2009 Determination of thiophene content in benzene (USD) via email in 1-3 business day VALID
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