Surface acoustic wave gas sensors: developments in the chemical industry

Coated surface acoustic wave (SAW) sensors can be used for the determination of organic solvents in ambient and exhaust air. Experiments using analytes dissolved in dry and moist air show that response times of the order of one second can be achieved. The influence of humidity on sensor performance...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 1992-04, Vol.8 (1), p.27-31
Main Authors: Arn, D., Amati, D., Blom, N., Ehrat, M., Widmer, H.M.
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Exact sciences and technology
General, instrumentation
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Summary:Coated surface acoustic wave (SAW) sensors can be used for the determination of organic solvents in ambient and exhaust air. Experiments using analytes dissolved in dry and moist air show that response times of the order of one second can be achieved. The influence of humidity on sensor performance is presented. An example of additive behaviour of coatings with analyte mixtures is given.
ISSN:0925-4005
1873-3077
DOI:10.1016/0925-4005(92)85004-G