GB/T 43503-2023
Natural gas—Determination of oxygen—Electrochemical method
SY/T 7506-1996
SN/T 1510-2005
Determination of citronellal and oxygenous compounds in natural citronella oil for export-Gas chromatography method
GB/T 27896-2018
Test method for water vapor content of natural gas—Electronic moisture analyzers
GB/T 27893-2011
Natrual gas - Determination of particles content - Gravimetric method
GB/T 21069-2007
Natural gas - Determination of water content at high pressure
GB/T 34162-2017
Natural gas—Determination of arsenic content—Potassium permanganate sample method
SY/T 7507-2016
SY/T 7663-2022
GB/T 22634-2008
Conversion between water content and water dew point of natural gas
SY/T 7321-2016
GB/T 18619.1-2002
Natural gas--Determination ofwater by the Karl fischer method--Coulometric procedure
ISO 2613-2:2023
Analysis of natural gas — Silicon content of biomethane — Part 2: Determination of siloxane content by gas chromatography with ion mobility spectrometry
DB35/T 1584-2016
GB/T 40704-2021
Natural gas—Determination of odorant tetrahydrothiophene—On-line sampling gas chromatography method
SY/T 7483-2020
Determination of sulfur compounds in natural gas by on-line gas chromatography
GB/T 16781.1-2017
Natural gas—Determination of mercury—Part 1: Sampling of mercury by chemisorption on iodine
GB/T 17281-2016
Determination of hydrocarbons from butane (C4) to hexadecane (C16) in natural gas—Gas chromatographic method
GB/T 27896-2011
Test method for water vapor content of natural gas using—Electronic moisture analyzers
GB/T 30491.1-2014
Natural gas—Calculation of thermodynamic properties—Part 1: Gas phase properties for transmission and distribution applications