ELECTROCHEMICAL SENSOR HAVING A MEDIATOR COMPOUND
First Claim
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1. An electrochemical gas sensor for detecting an analyte, the electrochemical gas sensor comprising:
- a measuring electrode;
an auxiliary electrode;
an electrolyte solution containing the mediator compound, said mediator compound comprising a transition metal salt of an acid compound, said acid compound containing one of at least two acid groups or at least one hydroxyl group and at least one acid group.
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Abstract
An electrochemical sensor, especially for gases, is provided having a mediator compound based on transition metal salts of polybasic acids and/or transition metal salts of polyhydroxycarboxylic acids. The electrochemical sensor also contains a DLC, BDD or a precious metal thin-layer measuring electrode (3). The electrochemical sensor may be used for determining SO2 and H2S.
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Citations
24 Claims
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1. An electrochemical gas sensor for detecting an analyte, the electrochemical gas sensor comprising:
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a measuring electrode; an auxiliary electrode; an electrolyte solution containing the mediator compound, said mediator compound comprising a transition metal salt of an acid compound, said acid compound containing one of at least two acid groups or at least one hydroxyl group and at least one acid group. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of electrochemical gas sensing for detecting an analyte, the method comprising:
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providing a measuring electrode; providing an auxiliary electrode; providing an electrolyte solution containing the mediator compound, said mediator compound comprising a transition metal salt of an acid compound, said acid compound containing one of at least two acid groups or at least one hydroxyl group and at least one acid group; positioning said measuring electrode and said auxiliary electrode in said electrolyte solution containing the mediator compound to provide an electrochemical gas sensor. - View Dependent Claims (23, 24)
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Specification