Calibration electrode

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United States of America Patent

PATENT NO 11397161
APP PUB NO 20200319132A1
SERIAL NO

16755485

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Abstract

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A calibration electrode for calibrating a reference system of an electrochemical sensor, such as a potentiometric sensor or an ion selective electrode. The calibration electrode has an active surface comprising redox functionalities. The redox functionalities set the pH of a reference solution proximal to the calibration electrode. A voltammetric signal is applied to the calibration electrode to produce a response that is determined by the set pH. The response of the calibration electrode to the voltammetric signal is used to calibrate/adjust a reference potential produced by a reference electrode of the reference system of the electrochemical sensor. This calibration corrects the detrimental effect of reference electrode drift.

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Patent Owner(s)

  • ANB SENSORS LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gahlings, Steven A Cambridge, GB 9 2
Lawrence, Nathan Hail Weston, GB 48 311
McGuinness, Kay Louise Harston, GB 4 1

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