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Ceramic H2S sensor

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A sensor capable of monitoring hydrogen sulfide in a hydrogen-containing background. The sensor comprises novel sulfur sensitive materials that may be deposited as a thin film or thick film in a chemi-resistor format. The novel sulfur sensitive materials may comprise a single component oxide material or a composite of two or more oxide materials. The sensors respond reversibly to H.sub.2S in a reducing gas environment, with a corresponding change in their electrical resistance that can be used to quantify the amount of H.sub.2S present in the reducing gas.
Holt, Christopher T. (Columbus, OH)
11/ 637,624
December 12, 2006
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0001] This invention was made with government support under Contract No. DE-FC26-02NT41576 awarded by the United States Department of Energy. The United States Government has certain rights in this invention.