Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 11059-2011 Standard test method for determination of vapor pressure of crude oil:VPCRx(expansion method) 180.0 via email in 1~3 business day valid
SY/T 7504-1994 135.0 via email in 1~3 business day abolished
GB 6531-1986 Crude petroleum and fuel oils; Determination of sediment; Extraction method via email in business day valid
SY/T 0536-1994 90.0 via email in 1~3 business day abolished
SY/T 5317-2006 Petroleum Liquid-Automatic Pipeline Sampling 720.0 via email in 1~8 business day valid
SY/T 0522-2008 Determination of wax appeaance temperature in crude petroleum—Test method by rotational viscometer 195.0 via email in 1~3 business day valid
GB/T 17280-2017 Standard test method for distillation of crude petroleum―15-theoretical plate column 690.0 via email in 1~8 business day valid
GB/T 17674-2012 Determination of nitrogen in crude oil by boat-inlet chemiluminescence 170.0 via email in 1~3 business day valid
GB/T 6533-2012 Test method for water and sediment in crude oil by the centrifuge method 200.0 via email in 1~3 business day valid
GB/T 6531-1986 Crude petroleum and fuel oils; Determination of sediment; Extraction method 40.0 via email in 1 business day valid
GB/T 18609-2011 Determination of acid number of crude oil by potentiometric titration 210.0 via email in 1~3 business day valid
GB/T 18610.1-2015 Crude oil―Determination of carbon residue―Part 1:Conradson method 150.0 via email in 1~3 business day valid
GB/T 18612-2011 Determination of organic chloride content in crude oil 210.0 via email in 1~3 business day valid
SY/T 0536-2008 Determination of salt conternt in crude petroleum-Coulometric titration method 150.0 via email in 1~3 business day valid
SY/T 6520-2001 Test method for dehydration of crude oil by autoclave 90.0 via email in 1~3 business day superseded
GB/T 18611-2015 Test method for simplified distillation of crude oil 150.0 via email in 1~3 business day valid
GB/T 17606-1998 Determination of sulfur in crude-oil by energy-dispersive X-ray fluorescence spectroscopy 75.0 via email in 1~3 business day abolished
SY 5317-1988 165.0 via email in 1~3 business day superseded
GB/T 18610.2-2016 Crude oil—Determination of carbon residue—Part 2: Micro method 150.0 via email in 1~3 business day valid
SY/T 0522-1993 120.0 via email in 1~3 business day superseded
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