A Malainou et al 2008 J. Micromech. Microeng. 18 105007 doi:10.1088/0960-1317/18/10/105007
A Malainou, M E Vlachopoulou, R Triantafyllopoulou, A Tserepi and S Chatzandroulis
Show affiliationsThe fabrication and performance of a microcolumn made of poly(dimethylsiloxane) (PDMS) for gas separation is presented. PDMS is a material commonly used as a stationary phase in large-scale chromatography systems, while in this work it serves both as the structural material of the microcolumn as well as a stationary phase enabling gas mixture separation by different absorption and desorption kinetics of the sample components on the column walls. Gas separation is demonstrated for a xylene/benzene vapor mixture at different ratios detected by means of a VOC sensor connected at the exit of the microcolumn. The effect of the microcolumn depth and working temperature on the separation performance of the microcolumn is investigated.
07.07.Df Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing
Instrumentation and measurement
Issue 10 (October 2008)
Received 22 April 2008, in final form 28 July 2008
Published 5 September 2008
A Malainou et al 2008 J. Micromech. Microeng. 18 105007
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