The use of thermal desorption and pyrolysis combined with a semiconductor VOC detector for the on-site detection of preservative-treated wood

IRG/WP 10-20456

I Svensson, A Gonzalez, L Irusta, Mª J Fernandez-Berridi, O Munné

The purpose of this study was twofold; to identify possible marker molecules released from preservative-treated wood upon heat treatment and then develop a prototype detector for this marker. Two methods for heating the samples were used: Pyrolysis combined with Gas-Chromatography with IR-detection and Thermal Desorption combined with Gas-Chromatography with mass detection. A first prototype detector was developed and tested for the detection of VOCs released from creosoted and organic type preservative treated wood.

Keywords: pyrolysis, thermal desorption, VOC, on-site detection, creosote, terpenes

Conference: 10-05-09/13 Biarritz, France

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