UNE-EN ISO 6974-5:2015
天然氣 用氣相色譜法測定成分和相關的不確定度 第5部分:氮氣、二氧化碳、C1 至 C5 碳氫化合物和 C6+ 碳氫化合物的等溫法(ISO 6974-5:2014)
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 (ISO 6974-5:2014)