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Acetone-Enhanced Negative Vacuum Ultraviolet Photoionization Mass Spectrometry for Rapid Detection of Explosives
Dou Jian1; Hua Lei2; Hou Ke-Yong2; Jiang Lei1; Cheng Sha-Sha2,3; Qi Guo-Chen1; Li Qing-Yun1; Tian Di1; Li Hai-Yang1
KeywordAcetone-enhanced Negative Photoionization Explosives Time-of-flight Mass Spectrometry Vacuum Ultraviolet Lamp
Source PublicationCHINESE JOURNAL OF ANALYTICAL CHEMISTRY
2014-07-01
Volume42Issue:7Pages:1017-1021
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Analytical
WOS Research AreaChemistry
WOS KeywordVOLATILE ORGANIC-COMPOUNDS ; ION MOBILITY SPECTROMETRY ; IONIZATION ; CHROMATOGRAPHY ; WATER
AbstractIn this article, an acetone. enhanced negative photoionization (AENP) source based on a 10. 6 eV vacuum ultraviolet (VUV) lamp was developed and coupled to a home. made time. of. flight mass spectrometer for rapid detection of trace explosives. In the AENP source, acetone molecules absorbed 10. 6 eV photons and were ionized by single photon ionization to emit photoelectrons. The photoelectrons reacted with O-2, CO2, etc. in the atmosphere to produce mainly CO3- negative reactant ions. With this ionization source, common explosives, N-nitrobiz(2-hyolorolroxy ethyl)-amine dinitrate (DINA), Tetryl, trinitrotoluene (TNT) and hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), could be detected sensitively, and the limit of detection of 2 pg (TNT) with a linear range of 3 orders of magnitude was achieved. The simple structure, high sensitivity characteristics make the AENP source as a promising ionization source for mass spectrometry.
Language英语
WOS IDWOS:000346727000011
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/145551
Collection中国科学院大连化学物理研究所
Affiliation1.Jilin Univ, Coll Instrumentat & Elect Engn, Changchun 130026, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Dou Jian,Hua Lei,Hou Ke-Yong,et al. Acetone-Enhanced Negative Vacuum Ultraviolet Photoionization Mass Spectrometry for Rapid Detection of Explosives[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2014,42(7):1017-1021.
APA Dou Jian.,Hua Lei.,Hou Ke-Yong.,Jiang Lei.,Cheng Sha-Sha.,...&Li Hai-Yang.(2014).Acetone-Enhanced Negative Vacuum Ultraviolet Photoionization Mass Spectrometry for Rapid Detection of Explosives.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,42(7),1017-1021.
MLA Dou Jian,et al."Acetone-Enhanced Negative Vacuum Ultraviolet Photoionization Mass Spectrometry for Rapid Detection of Explosives".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 42.7(2014):1017-1021.
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