KS I ISO 6974-6-2019 天然气 - 通过气相色谱法测定具有定义不确定度的组成 - 第6部分:使用三个毛细管柱测定氢 氦 氧 氮 二氧化碳和C1至C8烃
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