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Detection of Nitro-Based and Peroxide-Based Explosives by Fast Polarity-Switchable Ion Mobility Spectrometer with Ion Focusing in Vicinity of Faraday Detector
Zhou, Qinghua1,3; Peng, Liying1,3; Jiang, Dandan1,3; Wang, Xin1; Wang, Haiyan2; Li, Haiyang1
刊名SCIENTIFIC REPORTS
2015-05-29
DOI10.1038/srep10659
5
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]HEXAMETHYLENE TRIPEROXIDE DIAMINE ; SENSITIVE DETECTION ; RESOLVING POWER ; CHROMATOGRAPHY ; RESOLUTION ; DESIGN ; REGION ; HMTD ; GAS
英文摘要Ion mobility spectrometer (IMS) has been widely deployed for on-site detection of explosives. The common nitro-based explosives are usually detected by negative IMS while the emerging peroxide-based explosives are better detected by positive IMS. In this study, a fast polarityswitchable IMS was constructed to detect these two explosive species in a single measurement. As the large traditional Faraday detector would cause a trailing reactant ion peak (RIP), a Faraday detector with ion focusing in vicinity was developed by reducing the detector radius to 3.3 mm and increasing the voltage difference between aperture grid and its front guard ring to 591 V, which could remove trailing peaks from RIP without loss of signal intensity. This fast polarity-switchable IMS with ion focusing in vicinity of Faraday detector was employed to detect a mixture of 10 ng 2,4,6-trinitrotoluene (TNT) and 50 ng hexamethylene triperoxide diamine (HMTD) by polarity-switching, and the result suggested that [TNT-H]-and [HMTD+H](+) could be detected in a single measurement. Furthermore, the removal of trailing peaks from RIP by the Faraday detector with ion focusing in vicinity also promised the accurate identification of KClO4, KNO3 and S in common inorganic explosives, whose product ion peaks were fairly adjacent to RIP.
语种英语
WOS记录号WOS:000355591200002
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146305
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Liaoning, Peoples R China
2.Jiangsu Prov Inst Qual & Safety Engn, Nanjing 210046, Jiangsu, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Zhou, Qinghua,Peng, Liying,Jiang, Dandan,et al. Detection of Nitro-Based and Peroxide-Based Explosives by Fast Polarity-Switchable Ion Mobility Spectrometer with Ion Focusing in Vicinity of Faraday Detector[J]. SCIENTIFIC REPORTS,2015,5.
APA Zhou, Qinghua,Peng, Liying,Jiang, Dandan,Wang, Xin,Wang, Haiyan,&Li, Haiyang.(2015).Detection of Nitro-Based and Peroxide-Based Explosives by Fast Polarity-Switchable Ion Mobility Spectrometer with Ion Focusing in Vicinity of Faraday Detector.SCIENTIFIC REPORTS,5.
MLA Zhou, Qinghua,et al."Detection of Nitro-Based and Peroxide-Based Explosives by Fast Polarity-Switchable Ion Mobility Spectrometer with Ion Focusing in Vicinity of Faraday Detector".SCIENTIFIC REPORTS 5(2015).
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