GB/T 27894.4-2012
ActiveNatural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen,carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns
天然气 在一定不确定度下用气相色谱法测定组成 第4部分：实验室和在线测量系统中用两根色谱柱测定氮、二氧化碳和C1至C5及C6+的烃类
Application Summary AI generated
This standard specifies a gas chromatography method using two columns to determine nitrogen, carbon dioxide, and hydrocarbons from C1 to C5 and C6+ in natural gas. It is applied in both laboratory analysis and on-line measuring systems to ensure accurate composition data for custody transfer, quality control, and process monitoring in the natural gas industry.
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