The emulsible explosives and its post-blast residues were analyzed by gas chromatography-mass spectrometry(GC-MS).A sensitive analysis method has been established.
In preventing and combating the chemical terrorist activities,in addition to those concerned highly toxic and huge harmful chemicals,some of mass destruction,widely affecting and poisoning of concealment volatile chemicals should also be concerned,such as hydrocyanic acid,hydrogen sulfide and methanethiol.Improvement of the identification and prevention awareness of such chemicals would be more effective in fighting against terrorist crimes.This article introduced the physical and chemical property and the toxicity of methanethiol,and the analysis method of the chemical in blood sample by GC-MS.
