摘 要:目的:建立气相色谱-串联质谱法(Gas Chromatography-Tandem Mass Spectrometry,GC-MS/MS)测定花椒中7种多氯联苯(Polychorinated Biphenyls,PCBs)的方法。方法:样品经正己烷-丙酮提取,QuEChRS净化包净(试读)...