Calculation of Noise Resistance from Simultaneous Electrochemical Voltage and Current Noise Data

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Abstract
A derivation of the noise resistance appropriate to locally stationary electrochemical noise measurements is presented. The equation for noise resistance, , where the and values are the standard deviations of the voltage and current noise signals, is shown to be derivable from the low frequency limit of spectral density functions for the potential and current noise. The results are especially pertinent to the study of corrosion in organic coatings/metal substrate systems.

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