Electronic nose system combined with membrane interface probe for detection of VOCs in water

被引：2
作者：
Cho, Junghwan [1 ]
Howard, Zachary [1 ]
Kurup, Pradeep [1 ]
机构：
[1] Univ Massachusetts, Dept Civil & Environm Engn, Lowell, MA 01854 USA
来源：
OLFACTION AND ELECTRONIC NOSE: PROCEEDINGS OF THE 14TH INTERNATIONAL SYMPOSIUM ON OLFACTION AND ELECTRONIC NOSE | 2011年 / 1362卷
关键词：
electronic nose; membrane interface probe; sensor array; PCA; BTEX;
D O I：
10.1063/1.3626363
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
This paper describes a novel electronic nose system combined with a membrane interface probe (MIP) for detecting volatile organic compounds (VOCs) in water. The MIP is an in situ tool that allows the detection of certain VOCs in the soil via a pushed or driven probe. The MIP was combined with a sensor array consisting of four different tin-oxide gas sensors known as an electronic nose (e-nose). The designed e-nose system was calibrated in aqueous media spiked with benzene, toluene, ethylbenzene, and p-xylene (BTEX) at concentrations of 100, 250, and 500 ppm. Since the experiment was conducted utilizing five repetitions for each analyte, a data set of 60 measurements was prepared for principal components analysis (PCA). The results of the PCA showed that two principal components contain more than 99% variance information and each VOC is separable and detectable by the e-nose.
引用
收藏
页码：211 / 212
页数：2
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