DICP OpenIR
Atmospheric. pressure air direct current glow discharge ionization source for ion mobility spectrometry
Dong, Can1,2; Wang, Weiguo1; Li, Haiyang1
Source PublicationANALYTICAL CHEMISTRY
2008-05-15
DOI10.1021/ac800197g
Volume80Issue:10Pages:3925-3930
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Analytical
WOS Research AreaChemistry
WOS KeywordPLASMA CHROMATOGRAPHY ; CHEMICAL-IONIZATION ; ORGANIC-COMPOUNDS ; DC ; HYDROCARBONS ; FLOW ; ALKANES
AbstractA new atmospheric pressure air direct current glow discharge (DCGD) ionization source has been developed for ion mobility spectrometry (IMS) to overcome the regularity problems associated with the conventional Ni-63 source and the instability of the negative corona discharge. Its general electrical characteristics were experimentally investigated. By equipping it to IMS, a higher sensitivity was obtained compared to that of a Ni-63 source and corona discharge, and a linear dynamic range from 20 ppb to 20 ppm was obtained for m-xylene. Primary investigations showed that alkanes, such as pentane, which are nondetectable or insensitively detectable with Ni-63-IMS, can be efficiently detected by DCGD-IMS and the detection limit of 10 ppb can be reached. The preliminary results have shown that the new DCGD ionization source has great potential applications in IMS, such as online monitoring of environment pollutants and halogenated compounds.
Language英语
WOS IDWOS:000255871500056
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141156
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Dong, Can,Wang, Weiguo,Li, Haiyang. Atmospheric. pressure air direct current glow discharge ionization source for ion mobility spectrometry[J]. ANALYTICAL CHEMISTRY,2008,80(10):3925-3930.
APA Dong, Can,Wang, Weiguo,&Li, Haiyang.(2008).Atmospheric. pressure air direct current glow discharge ionization source for ion mobility spectrometry.ANALYTICAL CHEMISTRY,80(10),3925-3930.
MLA Dong, Can,et al."Atmospheric. pressure air direct current glow discharge ionization source for ion mobility spectrometry".ANALYTICAL CHEMISTRY 80.10(2008):3925-3930.
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