GB/T 27894.6-2012
天然气 在一定不确定度下用气相色谱法测定组成 第6部分:用三根毛细管色谱柱测定氢、氦、氧、氮、二氧化碳和C1至C8的烃类
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