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题名: Realtime Analysis of Volatile Organic Compounds in Source Water by Membrane Inlet/Time-of-Flight Mass Spectrometry
作者: Yu Bo-fan1, 2;  Wen Li-li1;  Song Yong-hui1;  Liu Hong-liang1, 2;  Li Hai-yang3;  Cui Hua-peng3;  Xie Bin-yu1;  Si Ji-hong1
关键词: Time-of-flight mass spectrometry ;  Volatile organic compounds ;  Online monitoring ;  Early-warning
刊名: SPECTROSCOPY AND SPECTRAL ANALYSIS
发表日期: 2011-08-01
DOI: 10.3964/j.issn.1000-0593(2011)08-2259-04
卷: 31, 期:8, 页:2259-2262
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Spectroscopy
研究领域[WOS]: Spectroscopy
英文摘要: To establish an early-warning system for source water pollution accident, a membrane inlet / time-of-flight mass spectrometry technology was applied to a series of pollution scenarios as an online monitoring method for typical volatile organic compounds such as BTEX (benzene, toluene, ethylbenzene and xylene), substituted benzenes, and halogenated aliphatic hydrocarbons. It was shown that this technology can adequately meet the requirements of realtime analysis with short response time to the target organic pollutants (30 similar to 70 s for BTEX and 30 s for halogenated aliphatic hydrocarbons) in a linear detecting range of 3 similar to 4 magnitudes; the detection limits of BTEX and chlorobenzene were less than 10 mu g.L-1. The results of 52 simulated water pollution accidents in a 30-days' continuous monitoring indicated that the monitoring system was stable with the relative standard deviation less than 5%; the accuracy was acceptable and could be reduced to within 10% by periodical calibrations. Membrane inlet/time-of-flight mass spectrometry technology was proven to be available for the remote monitoring and early-warning of source water pollution accident.
关键词[WOS]: LIGHT-SOURCE ;  ONLINE ;  AIR ;  IONIZATION ;  GAS ;  CONTAMINANTS ;  SAMPLES ;  PROBE
语种: 英语
WOS记录号: WOS:000293681300055
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142382
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.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China
2.Beijing Normal Univ, Sch Environm, Beijing 100875, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Yu Bo-fan,Wen Li-li,Song Yong-hui,et al. Realtime Analysis of Volatile Organic Compounds in Source Water by Membrane Inlet/Time-of-Flight Mass Spectrometry[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2011,31(8):2259-2262.
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