G - Physics – 01 – N
Patent
G - Physics
01
N
324/23
G01N 27/416 (2006.01)
Patent
CA 1162608
ABSTRACT Electrochemical Sensors Apparatus for detecting the presence of a component of a fluid comprising an electrochemical sensor and a detector responsive to changes in an electrical current flowing between the electrodes of the sensor, characterised in that the apparatus includes a pulse-generation circuit for momentarily applying a potential across the electrodes of the sensor which is greater than the decomposition potential of the electrolyte of the sensor, and a method for carrying out a check upon the responsiveness of the detection apparatus which comprises momentarily applying a potential across the electrodes of the sensor: which is greater than the decomposition potential of the electrolyte of the sensor to induce a change in the electrolyte and observing the response of the detector to the induced change in the electrolyte.
376702
Bamford Robert A.
Clarke John R.p.
Farr Thomas F.
Ballantyne Donald G.
Imperial Chemical Industries Limited
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