Citation: Jian Min ZHANG, Qiu Zhi SHI, Chang Chun YANG, Quan Feng DONG. In-situ pH Measurement at the Electrode/Solution Interface[J]. Chinese Chemical Letters, ;2000, 11(7): 617-620. shu

In-situ pH Measurement at the Electrode/Solution Interface

College of Chemistry and Chemical Engineering, Zhengzhou University, ZhengZhou 450052

Received Date: 31 December 1999
Revised Date: 5 April 2000

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 potential, first jumped to a maximum, then slowly decreased at the controlled potential during the electrodeposition process of functional ceramics.
- In-situ measurement,
- pH microprobe,
- electrode/solution interface
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