Bipolar Ionization Source for Ion Mobility Spectrometry Based on Vacuum Ultraviolet Radiation Induced Photoemission and Photoionization

	Bipolar Ionization Source for Ion Mobility Spectrometry Based on Vacuum Ultraviolet Radiation Induced Photoemission and Photoionization
	Chen, Chuang 1,2; Dong, Can 1; Du, Yongzhai 1,2; Cheng, Shasha 1,2; Han, Fenglei 1,2; Li, Lin 1; Wang, Weiguo 1; Hou, Keyong 1; Li, Haiyang 1
刊名	analytical chemistry
	2010-05-15
卷号	82 期号:10 页码:4151-4157
ISSN号	0003-2700
通讯作者	李海洋
产权排序	1;1
英文摘要	a novel bipolar ionization source based on a commercial vacuum-uv kr lamp has been developed for ion mobility spectrometry (ims), which can work in both negative and positive ion mode. its reactant ions formed in negative ion mode were predominantly assigned to be o(3)-(h(2)o)(n), which is different from that of the (63)ni source with purified air as carrier and drift gases. the formation of o(3)-(h(2)o)(n) was due to the production of ozone caused by ultraviolet radiation, and the ozone concentration was measured to be about 1700 ppmv by iodometric titration method. inorganic molecules such as so(2), co(2), and h(2)s can be easily detected in negative ion mode, and a linear dynamic range of 3 orders of magnitude and a limit of detection (s/n = 3) of 150 pptv were obtained for so(2). its performance as a negative ion source was investigated by the detection of ammonium nitrate fuel oil explosive, n-nitrobis(2-hydroxyethyl)amine dinitrate, cyclo-1,3, 5-trimethylene-2,4, 6-trinitramine, and pentaerythritol tetranitrate (petn) at 150 degrees c. the limit of detection was reached at 45 pg for petn, which was much lower than the 190 pg using (63)ni ion mobility spectrometry under the same experimental condition. also, its performance as an ordinary photoionization source was investigated in detecting benzene, toluene, and m-xylene.
WOS标题词	science & technology ; physical sciences
类目[WOS]	chemistry, analytical
研究领域[WOS]	chemistry
关键词[WOS]	electrospray-ionization ; plasma chromatography ; gas-chromatography ; molecule reactions ; mass-spectrometer ; m-xylene ; air ; detector ; desorption ; benzene
收录类别	SCI
原文出处	false
语种	英语
WOS记录号	WOS:000277531500027
公开日期	2010-11-30
内容类型	期刊论文
源URL	[http://159.226.238.44/handle/321008/103619]
专题	大连化学物理研究所_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, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
推荐引用方式 GB/T 7714	Chen, Chuang,Dong, Can,Du, Yongzhai,et al. Bipolar Ionization Source for Ion Mobility Spectrometry Based on Vacuum Ultraviolet Radiation Induced Photoemission and Photoionization[J]. analytical chemistry,2010,82(10):4151-4157.
APA	Chen, Chuang.,Dong, Can.,Du, Yongzhai.,Cheng, Shasha.,Han, Fenglei.,...&Li, Haiyang.(2010).Bipolar Ionization Source for Ion Mobility Spectrometry Based on Vacuum Ultraviolet Radiation Induced Photoemission and Photoionization.analytical chemistry,82(10),4151-4157.
MLA	Chen, Chuang,et al."Bipolar Ionization Source for Ion Mobility Spectrometry Based on Vacuum Ultraviolet Radiation Induced Photoemission and Photoionization".analytical chemistry 82.10(2010):4151-4157.