OS GSO ISO 6974-6:2009
天然氣 氣相色譜法測定不確定度的成分 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
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