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RAPID RESPONSE SENSOR FOR CARBON MONOXIDE

  • US 20070166585A1
  • Filed: 01/18/2007
  • Published: 07/19/2007
  • Est. Priority Date: 01/19/2006
  • Status: Abandoned Application
First Claim
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1. An electrochemical sensor for a chemical species, which chemical species is a contaminant in a fluid stream, comprising:

  • an electrochemical device having an electrode, said electrode having a catalyst facilitating a chemical reaction in a component of a fluid stream, said catalyst being capable of being poisoned by a contaminant in said fluid stream;

    a voltage source, said voltage source operable to provide an electrical stimulus to said electrode; and

    a monitor, said monitor operable to detect and monitor a time-dependent response of said electrode to said electrical stimulus,said time-dependent response being correlatable with the presence and/or amount of said contaminant.

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