Electrochemical sensor

Details Electrochemical sensor Electrochemical sensor

2007-02-20

2007-02-20

Noguerola, Alex (Department: 1753)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S418000, C204S433000

Reexamination Certificate

active

10430301

ABSTRACT:
Disclosed is an electrochemical sensor comprising a work electrode and a reference electrode, said sensor adapted to measure the characteristics of a liquid under test, based on the relative electric potential difference and electric current between the work electrode and the reference electrode both immersed in the liquid under test, said work electrode comprising a substrate that reacts to the liquid under test for generating an electric potential according to the concentration of the liquid under test, and said reference electrode comprising a substrate that reacts to the liquid under test for generating a fixed electric potential. According to the present invention, at least one of the work electrode and the reference electrode comprises said substrate coated with a function film for serving to generate the electric potential through the intervention of the film between said substrate and the liquid under test.

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Excerpt from 5.3.7 Ionomers from “Plastics, General Survey” in Ullmann's Encyclopedia of Industrial Chemistry. online postin date: Jun. 15, 2000.
“Kinlen P J et al”, “A solid-state pH sensor based on a Nafion-coated iridium oxide indicator electrode and a polymer-based silver chloride reference electrode” vol. 22, No. 1, Oct. 1, 1994, pp. 13-25.

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