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Citation: XUN Zhi-Yin, CAI Chen-Xin, XING Wei, LU Tian-Hong. A New Method on Fabrication of a Cobalt Hexacyanoferrate Modified Glassy Carbon Electrode and Electrocatalytic Reaction of Dopamine There on[J]. Chinese Journal of Applied Chemistry, ;2003, 20(5): 499-501. shu

A New Method on Fabrication of a Cobalt Hexacyanoferrate Modified Glassy Carbon Electrode and Electrocatalytic Reaction of Dopamine There on

1.
a Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022;
2.
b College of Chemistry & Environmental Science, Nanjing Normal University, Nanjing 210097

Corresponding author: LU Tian-Hong,
Received Date: 28 October 2002
Available Online: 30 January 2003
Fund Project: 国家自然科学基金资助课题(No.29973015) (No.29973015)

A new method on fabrication of cobalt hexacyanoferrate modified glassy carbon (CoHCF/GC) electrode is described.The method is easy to manipulate and control the coverage of CoHCF on the surface of the GC electrode.The CoHCF/GC electrode shows electrocatalytic activity towards the redox reaction of dopamine (DA) in the phosphate buffer solution with a decreasing of the overpotential of 140 mV.The reaction rate constant of the dopamine oxidation at the CoHCF/GC electrode is determined with rotating disk electrode measurements.
- cobalt hexacyanoferrate,
- dopamine,
- electrocatalytic oxidation
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