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02335 POTENTIOSTATIC ELECTROCHEMICAL NOISE FOR CORROSION MONITORING: GENERAL AND LOCALIZED CORROSION

Product Number: 51300-02335-SG
ISBN: 02335 2002 CP
Author: W.Y. Mok, J. Dougherty and V. Jovancicevic
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$20.00
$20.00
A new potentiostatic electrochemical noise (P-ECN) technique has been developed for enhanced, real time corrosion monitoring for both general and localized corrosion. Two different systems, C1018/NaCl in CO2 and SS304/FECl3 in air, were evaluated with P-ECN for its monitoring capabilities for general and localized corrosion, respectively. Quantitative analysis of the data was carried out using standard deviation and moving average (SDMA) calculation method for corrosion rate determination. The data revealed significant differences between general corrosion and localized (pitting and crevice) corrosion noise signatures. These results were compared with linear polarization and weight loss measurements. Keywords: electrochemical monitoring, inhibitor, oilfield noise, potentiostatic control, localized corrosion, on-line corrosion
A new potentiostatic electrochemical noise (P-ECN) technique has been developed for enhanced, real time corrosion monitoring for both general and localized corrosion. Two different systems, C1018/NaCl in CO2 and SS304/FECl3 in air, were evaluated with P-ECN for its monitoring capabilities for general and localized corrosion, respectively. Quantitative analysis of the data was carried out using standard deviation and moving average (SDMA) calculation method for corrosion rate determination. The data revealed significant differences between general corrosion and localized (pitting and crevice) corrosion noise signatures. These results were compared with linear polarization and weight loss measurements. Keywords: electrochemical monitoring, inhibitor, oilfield noise, potentiostatic control, localized corrosion, on-line corrosion
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