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题名: Single Photon Ionization/Photoelectron Ionization-Membrane Introduction Mass Spectrometry for On-line Analysis Ethers Gasoline Additive in Water
作者: Li Fang-Long1;  Hou Ke-Yong2;  Chen Wen-Dong2, 3;  Chen Ping2, 3;  Zhao Wu-Duo2, 3;  Cui Hua-Peng2, 3;  Hua Lei2;  Xie Yuan-Yuan2, 3;  Pei Ke-Mei1;  Li Hai-Yang2
关键词: Membrane introduction ;  Single photon ionization ;  Time-of-flight mass spectrometry ;  Methyl tert-butyl ether ;  On-line monitoring
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2013
DOI: 10.3724/SP.J.1096.2013.20395
卷: 41, 期:1, 页:42-48
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
英文摘要: A magnetic field enhanced photoelectron ionization (MEPEI) source combined with single photon ionization (SPI) for membrane inlet time-of-flight mass spectrometry was used for on-line detection of ether gasoline additive. Methyl tert-butyl ether (MTBE), ethyl tert-butyl ether (ETBE), methyl tert-amyl ether (TAME) and isopropyl ether (DIPE) were selected as the typical pollutants. A membrane inlet was used to transfer the analytes from liquid into gas phase in an on-line manner by pervaporization without sample pretreatment. Less sample fragments were in SPI, and molecular ions could be used to quick preliminarily qualitative analysis; high energy electrons and fragmentations produced by MEPEI can be used to accurate qualitative isomers and overcame the problem of resolution of overlapping peaks in complex matrix when using direct injection. Under the optimal conditions such as membrane temperature 60 degrees C, membrane thicknesses 50 mu m and membrane areas 160 cm(2), the single sample analysis time was less than 100 s, and the limits of detection for MTBE, ETBE, TAME and DIPE were 5.5, 4.8, 3.3 and 4.3 mu g/L, respectively. The instrument has been successfully applied to rapid analysis of MTBE in simulated water by gasoline.
关键词[WOS]: VOLATILE ORGANIC-COMPOUNDS ;  PHOTOELECTRON IONIZATION ;  MTBE ;  BIODEGRADATION ;  SAMPLES ;  AIR
语种: 英语
WOS记录号: WOS:000315021700008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137485
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Zhejiang Sci Tech Univ, Dept Chem, Hangzhou 310018, Zhejiang, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Li Fang-Long,Hou Ke-Yong,Chen Wen-Dong,et al. Single Photon Ionization/Photoelectron Ionization-Membrane Introduction Mass Spectrometry for On-line Analysis Ethers Gasoline Additive in Water[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2013,41(1):42-48.
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