SY/T 7550-2012
Determination of wax,resins and asphaltenes in crude oil
SY/T 7550-1999
SY/T 6242-1996
SY 7550-2012
SY/T 7550-2004
Determination of wax,resins and asphaltenes contents in crude oil
SY/T 7550-2000
GB/T 6532-2012
Test method for salt in crude oils(Potentiometric method)
GB/T 17674-2021
Determination of nitrogen in crude oil—Boat-inlet chemiluminescence
SY/T 0537-2008
The test method of wax content in crude oil
SN/T 2782-2011
Determination of salts in crude oil-Electrometric method
SN/T 4435-2016
Determination of water content in crude petroleum - Hydrid reaction method
SN/T 4438-2016
Determination of methanol in crude oils-Multidimensional gas chromatography
GB/T 17606-2009
Determination of sulfur in crude-oil by energy-dispersive X-ray fluorescence spectrometry
GB/T 18608-2012
Determination of Nickel,Vanadium,Iron,and Sodium in Crude Oils and Residual Fuels by Flame Atomic Absorption Spectrometry
SN/T 3185-2012
Determination of halogen in crude oil-Oxygen bomb combustion-ion chromatography
SY/T 0528-2008
Determination of arsenic in crude petroleum-Atomic fluorescence spectrometry
SY 0537-2008
SN/T 4429.1-2016
Determination of total mercury in crude oil-Combustion gold amalgamation and cold vapor atomic absorption method
SN/T 4429.2-2016
Determination of total mercury in crude oil-Zeeman correction-Cold atomic absorption spectrometry
GB/T 17674-2012
Determination of nitrogen in crude oil by boat-inlet chemiluminescence