离子迁移率方法在毒品、爆炸物品检测中的初步研究

The Research of IMS Technology and It’s Application in Narcotic Drugs and Explosives Detection

摘要: 对利用离子迁移率(IonMobilitySpectrometer,IMS)方法在线检测毒品和爆炸物品进行了初步研究,设计了IMS仪器,并在设计中引入离子约束机制和直线加速交变梯度电场聚焦技术。利用该技术实现了在实验室条件下,1~2min内完成若干种物质的鉴别,仪器对物质单峰分辨率<0.2ms,显示出其在毒品、爆炸物品检测方面广阔的发展前景。

Abstract: The introduction of ion beam constraint and alternating gradient field focusing techniques in Ion Mobility Spectrometer(IMS) are presents. The molecules ion spectrometer of several sample show that FWHM (Full-Width at Half-Maximun) is better than 0.2 μs. It shows potential application, especially in detecting drugs and explosives in future.