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学科主题: 物理化学
题名: Coupling of stir bar sorptive extraction with single photon ionization mass spectrometry for determination of volatile organic compounds in water
作者: Cui, Huapeng1, 2;  Hua, Lei1, 2;  Hou, Keyong1;  Wu, Jing1;  Chen, Ping1, 2;  Xie, Yuanyuan1, 2;  Wang, Weiguo1;  Li, Jinghua1;  Li, Haiyang1
通讯作者: 李海洋
刊名: ANALYST
发表日期: 2012
DOI: 10.1039/c1an15876g
卷: 137, 期:2, 页:513-518
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
英文摘要: A home-made stir bar sorptive extraction (SBSE) apparatus was combined to a single photon ionization time-of-flight mass spectrometer (SPI-TOFMS) for rapid and sensitive determination of trace volatile organic compounds (VOCs) in water. The home-made SBSE bar, low-cost and disposable, was used for VOCs extraction. A thermal desorption (TD) device was designed to desorb the analytes from the SBSE bar, and a high throughput interface was developed to transfer the analytes into the ionization chamber of the SPI-TOFMS. The combination of large extraction volume of SBSE bar, and the direct measurement power of SPI-TOFMS enable a short analysis time for VOCs in water with high sensitivity, for example the limits of detection (LODs) were in the range of 7.4-11.1 ng L-1 for benzene, toluene, and p-xylene (BTX) within 15 min. BTX aqueous solutions were chosen to demonstrate the quantitative capability, the linear range was from 0.05 to 100 mu g L-1 and the correlation coefficients were better than 0.996. The proposed method was successfully applied for the analysis of VOCs in urban river water.
关键词[WOS]: SOLID-PHASE MICROEXTRACTION ;  AQUEOUS SAMPLES ;  XYLENE ISOMERS ;  TRAP ;  BTEX ;  GAS ;  ETHYLBENZENE ;  BENZENE ;  TOLUENE ;  MS
语种: 英语
WOS记录号: WOS:000297998000035
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117851
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 Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Cui, Huapeng,Hua, Lei,Hou, Keyong,et al. Coupling of stir bar sorptive extraction with single photon ionization mass spectrometry for determination of volatile organic compounds in water[J]. ANALYST,2012,137(2):513-518.
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