KS I ISO 6974-5-2015(2020)
天然氣.用氣相色譜法測定組成和相關不確定度.第5部分:氮 二氧化碳 C1至C5碳氫化合物和C6+碳氫化合物的等溫法
Natural gas — Determination of composition and associated uncertainty by gas chromatography —Part 5: Isothermal method for nitrogen, carbon dioxide,C1 to C5 hydrocarbons and C6+ hydrocarbons