Abstract: Analysis of Coal Tar by GC/MSHou Yibin;Du Qingxin(Public Security Bureau of Heilongjinag Province,Harbin 150008,China)Liang Zhenfen;Lu Kefei(Analysis and Test Center of Heilongjiang Province,Harbin 150050,China )Received Abstract:Analysis of coat tar was carried out by gas chromatography/mass spectrometry(GC/MS).91 compounds were identified,32 and 59 kinds of which are aliphatics and aromatics,respectively.Keywords:coal tar,components,GC/MS