Benzene and xylene detection by absorbance in the range of 10-100 ppb application: Quality of indoor air

被引：22

作者：

Hue, J. ^{[1
]}

Dupoy, M. ^{[1
]}

Bordy, T. ^{[1
]}

Rousier, R. ^{[1
]}

Vignoud, S. ^{[1
]}

Schaerer, B. ^{[1
]}

Tran-Thi, T-H ^{[2
]}

Rivron, C. ^{[2
]}

Mugherli, L. ^{[3
]}

Karpe, P. ^{[4
]}

机构：

[1] CEA, LETI, Minatec, F-38054 Grenoble, France

[2] CNRS, DSM, SPAM, URA CEA CNRS 2453, F-91191 Gif Sur Yvette, France

[3] CEA, DSM, IRAMIS, SPAM,Francis Perrin Lab,URA CEA CNRS 2453, F-91191 Gif Sur Yvette, France

[4] Ethera SA, F-38040 Grenoble 9, France

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2013年 / 189卷

关键词：

Benzene; Xylene; Indoor air; Sol-gel; Optical detection; Absorbance; Nanoporous discs; Volatile organic compound; Gas sensor;

D O I：

10.1016/j.snb.2013.03.047

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In the framework of a French Joint program COVADIS, an innovative system is developed for the simultaneous detection of benzene, toluene and xylenes in indoor air. The present work is focused on the benzene and xylene detection. The detection is based on absorbance measurements over the 250 nm-300 nm spectral range with a cooled and uncooled spectrophotometer. The prototype includes an exposure chamber, which contains five sensors. The sensors are nanoporous disks, whose pore sizes are tailored to efficiently entrap the targeted pollutants. 20 ppb of benzene and 10 ppb of m-xylene have been successfully detected within 40 min of exposure. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：194 / 198

页数：5