I.S. EN ISO 6974-5:2014现行
Natural gas - Determination of Composition and Associated Uncertainty by gas Chromatography Part 5: Isothermal Method for Nitrogen, Carbon Dioxide, C[1] to C[5] Hydrocarbons and C[6+] Hydrocarbons (iso 6974-5:2014)
出版：National Standards Authority of Ireland
专家解读视频
Explains a gas chromatographic method for the quantitative determination of the content of nitrogen, carbon dioxide and C[1] to C[5] hydrocarbons individually and a composite C[6+] measurement, which represents all hydrocarbons of carbon number 6 and above in natural gas samples.
UNE EN ISO 6974-5:2015 - Identical
NEN EN ISO 6974-5:2014 - Identical
NF EN ISO 6974-5:2014 - Identical
ONORM EN ISO 6974-5:2014 - Identical
SS EN ISO 6974-5 Ed. 2 (2014) - Identical
NBN EN ISO 6974-5:2002 - Identical
UNE EN ISO 6974-5:2003 - Identical
NBN EN ISO 6974-5:2014 - Identical
BS EN ISO 6974-5:2014 - Identical
NS EN ISO 6974-5:2014 - Identical
NF EN ISO 6974-5:2003 - Identical
ONORM EN ISO 6974-5:2002 - Identical
UNI EN ISO 6974-5:2004 - Identical
