KS I ISO 6974-3-2006 天然气.用气相色谱法测定规定的不确定度组分的测定.第3部分:用两填充柱测定氢、氦、氧、氮、二氧化碳和碳至C<下标>8的烃类
Natural gas-Determination of composition with defined uncertainty by gas chromatography-Part 3:Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns