NS-EN ISO 6974-5:2001
天然氣 通過氣相色譜法確定不確定度的成分 第5部分：使用三根色譜柱測定實驗室和在線過程應用中的氮、二氧化碳以及 C1 至 C5 和 C6+ 碳氫化合物
Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 5: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line process application using three columns (ISO 69...