In-situ pH Measurement at the Electrode/Solution Interface

来源 :Chinese Chemical Letters | 被引量 : 0次 | 上传用户:mfktadxxxa
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In this paper a pH microprobe technique was developed to measure in-situ the pH value at the electrode/solution interface. Iridium oxide was used as a pH sensitive material with good response behavior in the measured solutions. The experimental results indicated that the interfacial pH increased with the applied petential, first jumped to a maximum, then slowly decreased at the controlled potential during the electrodeposition process of functional ceramics. In this paper a pH microprobe technique was developed to measure in-situ the pH value at the electrode / solution interface. Iridium oxide was used as a pH sensitive material with good response behavior in the measured solutions. The experimental results indicated that the interfacial pH increased with the applied petential, first jumped to a maximum, then slowly decreased at the controlled potential during the electrodeposition process of functional ceramics.
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