KS I ISO 6974-6-2019 天然氣 - 通過氣相色譜法測定具有定義不確定度的組成 - 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