ISO 6974-5:2000 天然氣 用氣相色譜法測定規定的不確定度的組分 第5部分:用三柱測定實驗室和在線處理用的氮、二氧化碳和碳1至碳5和碳6+的烴類
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 usi