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Atmospheric. pressure air direct current glow discharge ionization source for ion mobility spectrometry
Dong, Can1,2; Wang, Weiguo1; Li, Haiyang1
刊名ANALYTICAL CHEMISTRY
2008-05-15
DOI10.1021/ac800197g
80期:10页:3925-3930
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical
研究领域[WOS]Chemistry
关键词[WOS]PLASMA CHROMATOGRAPHY ; CHEMICAL-IONIZATION ; ORGANIC-COMPOUNDS ; DC ; HYDROCARBONS ; FLOW ; ALKANES
英文摘要A 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.
语种英语
WOS记录号WOS:000255871500056
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被引频次:25[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141156
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, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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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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