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Bipolar Ionization Source for Ion Mobility Spectrometry Based on Vacuum Ultraviolet Radiation Induced Photoemission and Photoionization
Chen, Chuang1,2; Dong, Can1; Du, Yongzhai1,2; Cheng, Shasha1,2; Han, Fenglei1,2; Li, Lin1; Wang, Weiguo1; Hou, Keyong1; Li, Haiyang1; Li HY(李海洋)
刊名ANALYTICAL CHEMISTRY
2010-05-15
ISSN0003-2700
DOI10.1021/ac100342y
82期:10页:4151-4157
收录类别SCI
文章类型Article
部门归属1
项目归属102
产权排名1;1
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
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.
语种英语
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WOS记录号WOS:000277531500027
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被引频次:18[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/321008/103619
专题中国科学院大连化学物理研究所
通讯作者Li HY(李海洋)
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
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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.,...&李海洋.(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.
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