固相萃取-气相色谱-质谱联用检测地沟油中胆固醇

周永生1, 罗士平1, 孔泳1,2*

Determination of cholesterol in drainage oil by solid phase extraction-gas chromatography-mass spectrometry

ZHOU Yongsheng1, LUO Shiping1, KONG Yong1,2*

色谱 . 2012, (02): 207 -210 .