NS-EN ISO 6974-6:2005
天然氣 用氣相色譜法測定具有確定不確定度的成分 第6部分:使用三個毛細管柱測定氫、氦、氧、氮、二氧化碳和 C1 至 C8 烴(ISO 6974-6:2002)
Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 6: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C1 to C8 hydrocarbons using three capillary columns (ISO 6974-6:2002)