KS I ISO 6974-5-2006 天然气.用气相色谱法测定规定的不确定度组分的测定.第5部分:用三柱测定实验室和在线处理用的氮、二氧化碳和碳1至碳5和碳6+的烃类
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 fora laboratory and on-line process application using three columns