GB/T 27894.6-2012
天然氣 在一定不確定度下用氣相色譜法測定組成 第6部分:用三根毛細管色譜柱測定氫、氦、氧、氮、二氧化碳和C1至C8的烴類
Natural gas.Determination of composition with defined uncertainty by gas chromatography.Part 6:Determination of hydrogen helium oxygen nitrogen carbon dioxide and C1 to C8 hydrocarbons using three capillary columns
GBT27894.6-2012, GB27894.6-2012