The citronella oilcontentof certain candle formulations was determined by headspace gas chromatography-mass spectrometry.
本文采用顶空进样气相色谱-质谱联用法测定蜡烛中香茅油的含量。
2
The increase of oxygen content in gas can reduce the oxygen content in the oil.
气体中氧的增加可以使油中的氧含量降低。
3
The uncertainty of measuring dissolved gas component content in insulating oil by using gas chromatograph method which was stipulated in GB/T 17623-1998 has been assessed.