Abstract
Monitoring the change of solution pH near the surface at the micrometer-millimeter scale and conducting material corrosion studies have become a hot topic nowadays. In this study, we evaluate the optimal experimental parameter combinations of iridium oxide pH electrodes prepared by electrochemical deposition, and investigate the response mechanism of iridium oxide electrodes by characterizing the surface morphology and composition before and after the response. The response rate and response error of the iridium oxide electrode were analyzed, and the reliability of the miniature iridium oxide electrode applied to pH monitoring in soil simulation fluids under dynamic stray current interference was verified.
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