SEMICONDUCTING OXIDE GAS SENSORS AND MATERIALS THEREFOR

2142696 9500836 PCTABS00035 The selectivity of response of resistive gas sensors to specific gases or vapours is improved by the selection of specified gas-sensitive materials which are not previously known for the applications described, which include detection of hydrocarbons in the presence of CO...

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Hauptverfasser:	MOSELEY, PATRICK T, HENSHAW, GEOFFREY S, MCGEEHIN, PETER, WILLIAMS, DAVID E, GELLMAN, LAURA J, DAWSON, DARRYL H
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Zusammenfassung:	2142696 9500836 PCTABS00035 The selectivity of response of resistive gas sensors to specific gases or vapours is improved by the selection of specified gas-sensitive materials which are not previously known for the applications described, which include detection of hydrocarbons in the presence of CO, H2S, SO2, chlorine, NO2, CO2 (especially in low concentrations), CFC's, ammonia, free oxygen by determination of partial pressure, and numerous organic gases and vapours.