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Electrochemical sensor

  • US 9,851,326 B2
  • Filed: 11/22/2013
  • Issued: 12/26/2017
  • Est. Priority Date: 11/22/2012
  • Status: Active Grant
First Claim
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1. An electrochemical ion sensor for sensing a presence of at least one ion species in a solution, the electrochemical sensor comprising, for each of said at least one ion species:

  • a) a solid-state electrolyte medium, doped with an organometallic material, the organometallic material having an electrochemical affinity with the ion species;

    b) a pair of electrodes electrically contacting the solid-state electrolyte medium; and

    c) an electrical circuit configured to drive the pair of electrodes with an AC electrical excitation and to measure at least one parameter related to a complex electrical impedance of said doped solid-state electrolyte medium in response to the AC electrical excitation, said at least one parameter being representative of the presence of the ion species in said solution when the solid-state electrolyte medium is exposed to the solution.

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