Hydrocarbons was separated with a packed - column coated with 25 % squalane at constant temperature, detected by using an FID, and quantified by area normalization method.

• 烃类组分采用25%25角鲨烷填充色谱柱恒温分离,以氢火焰离子化检测器(FID)检测,峰面积归一化法定量。