Electronic semiconducting oxides as pH sensors
作者： Agner Fog , Richard P. Buck
DOI: 10.1016/0250-6874(84)80004-9
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摘要: Abstract Limitations on the response of electronically-conducting oxides as pH sensors are demonstrated. PtO2, IrO2, RuO2, OsO2, Ta2O5 and TiO2 showed near-Nernstian behavior in range 2–12 air-saturated solutions. Interferences from selected reducing oxidizing agents some complexing anions were measured catalogued. No interference monovalent cations (Group IA) was observed. Several reaction mechanisms proposed discussed.
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