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02334 THE USE OF MULTIPLE REFERENCE ELECTRODES IN EN MEASUREMENTS

In order to simplify the measurement of electrochemical noise in field applications, three identical electrodes, one acting as reference electrode (RE), are often used. In this work, a measurement scheme, which employs two REs is proposed, which can reduce the error due to the RE's noise. An example of its implementation is also presented.

 

Product Number: 51300-02334-SG
ISBN: 02334 2002 CP
Author: U. Bertocci, F. Huet, and R. P. Nogueira
Publication Date: 2002
Industry: Test Method
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In order to simplify the measurement of electrochemical noise in field applications, three identical electrodes, one acting as reference electrode (RE), are often used. However, the intrinsic noise of the RE introduces errors in the noise resistance values computed in this way. In this work, a measurement scheme, which employs two REs and is based on the properties of the crosspower spectrum, is proposed, which can reduce the error due to the RE's noise. An example of its implementation is also presented. Keywords: crosspower spectrum, resistance, noise impedance, electrochemical noise, multiple reference electrodes, noise

In order to simplify the measurement of electrochemical noise in field applications, three identical electrodes, one acting as reference electrode (RE), are often used. However, the intrinsic noise of the RE introduces errors in the noise resistance values computed in this way. In this work, a measurement scheme, which employs two REs and is based on the properties of the crosspower spectrum, is proposed, which can reduce the error due to the RE's noise. An example of its implementation is also presented. Keywords: crosspower spectrum, resistance, noise impedance, electrochemical noise, multiple reference electrodes, noise

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