Electrochemical gas sensor
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United States of America Patent
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Issued Date -
Nov 14, 2002
app pub date -
May 10, 2001
filing date -
May 10, 2001
priority date (Note) -
Abandoned
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Abstract
The invention relates to an electrochemical gas sensor with a working electrode, which is designed as a thin-film electrode, and at least one counterelectrode, which are in electrical contact via an electrolyte. The electrochemical gas sensor is characterized in that the electrolyte is alkaline and preferably comprises a solution of a salt of a weak acid. The electrochemical gas sensor according to the invention may preferably be used to determine the oxygen concentration in a gas mixture.
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