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Citation: YUAN Dao-Qiang, SHU You-Qin. Response of Nanosized Co₃O₄ Solid pH Electrode and Its Application[J]. Chinese Journal of Applied Chemistry, ;2002, 19(2): 202-204. shu

Response of Nanosized Co₃O₄ Solid pH Electrode and Its Application

YUAN Dao-Qiang ^a,, ,
SHU You-Qin ^b

1.
a Department of Food and Bioengineering, Zhengzhou Institute of Light Industry Zhengzhou 450002;
2.
b Department of Basic Courses, Zhengzhou College of Animal Husbandry Engineering, Zhengzhou

Corresponding author: YUAN Dao-Qiang,
Received Date: 19 March 2001
Available Online: 10 September 2001

The nanosized Co₃O₄ was selected as pH-sensitive material, from which the solid pH electrode was fabricated by screen printed technique. Such an electrode showed linear response in the range of pH2~12 with response sensitivity of-56.4 mV/pH. The reproducibility and selectivity of the electrode have been discussed. The electrode exhibited satisfactory pH-response performance for the corrosion system containing HF.
- nanosized Co₃O₄ electrode,
- pH-response,
- corrosion system
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Response of Nanosized Co₃O₄ Solid pH Electrode and Its Application