The test of organic solvents vapours based on commercial tin dioxide gas sensors

Abstract

This article describes the experiments carried out with the system of three tin dioxide gas sensors MQR 1003, TGS 822 and TGS 813, as well as the achieved results. Vapours of five industrial organic solvents were tested. The measurement values were processed by a cluster analysis. The programmes STATGRAPHIC 5.0 Plus and MATLAB 7.11 were used for data processing. The achieved results show, that the used commercial sensors are able to successfuly distinguish chosen industrial solvents and the results can be used for discrimination of organic solvents vapours in air.