GB 18047-2017 Translated English of Chinese Standard. GB18047-2017: Compressed natural gas as vehicle fuel
https://www.chinesestandard.net, 2018 M02 11 - 11 pages
This Standard specifies the technical requirements and test methods of compressed natural gas as vehicle fuel. This Standard applies to the compressed natural gas of which the pressure is not more than 25 MPa as vehicle fuel.
according to GB/T arbitration test method ASTM’s evaluation method C1 to C5 C5 and C6+ C6+ hydrocarbons carbon dioxide carried out according categories of compressed columns GB/T component composition of natural composition with defined compressed natural gas Correlation between hydrogen-carbon Correlation between octane Correlations between methane defined uncertainty Determination of composition Determination of hydrogen Determination of sulfur Determination of total Determination of water dioxide and C1 equation A.3 gas and octane gas as vehicle gas categories gas chromatography gas fuel gas The correlation helium Higher heating value hydrogen sulfide content hydrogen-carbon ratio mass concentration methane number method GB/T method of methane method of octane Motor octane number natural gas GB/T number and methane number and octane number of natural odor ratio and octane specifications of compressed standard fuel mixture Steel cylinders sulfur compound technical requirements total sulfur content uncertainty by gas vehicle fuel water content water dew point Wobbe index