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Sensitivity of SnO2 semiconductor gas sensors to CO in the presence of high concentrations of water vapour

✍ Scribed by A. Harkoma-Mattila; P. Romppainen; H. Torvela; S. Leppävuori


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
635 KB
Volume
6
Category
Article
ISSN
0955-2219

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SnOz-based gas sensors containing 0.05, 0.1, 1 and 3 mol% Pd are constructed using thick-film technology. SnOz powder is prepared by two processes in which Pd is added to the base material before calcination either as the hydroxide or chloride. Sensor sensitivity to CO is studied in a heated test ch