Citation: Hong ZHANG, Xue Qin GUI, Yang XU, Bao Kang JIN. Cyclic Voltammetry Determination of Epinephrine with a Nano-gold Modified Glassy Carbon Electrode in the Presence of High Concentration Ascorbic Acid[J]. Chinese Chemical Letters, ;2002, 13(2): 153-156. shu

Cyclic Voltammetry Determination of Epinephrine with a Nano-gold Modified Glassy Carbon Electrode in the Presence of High Concentration Ascorbic Acid

Hong ZHANG ^1,2, ,
Xue Qin GUI ³ ,
Yang XU ¹ ,
Bao Kang JIN ¹

1.
School of Chemistry and Chemical Engineering, Anhui University, Hefei 230039;
2.
Department of Chemistry, Fuyang Teachers College, Fuyang 236032;
3.
The Center of Modern Experiment and Technology, Anhui University, Hefei 230029

Received Date: 25 May 2001

Fund Project: The authors gratefully acknowledge financial support from the Natural Science Foundation of Anhui Province and the Natural Science Foundation of Anhui Education Committee.

Nano-gold (NG) modified glassy carbon electrodes (GCEs) were used for determination of epinephrine (EP) in the presence of high concentration ascorbic acid (AA) by cyclic voltammetry (CV).This modified electrode can not only catalytically oxidize EP and AA, but also separate the catalytic peak potentials of EP and AA by about 183.5 mV.In pH=7.0 ogisogate byffer solution, the linear range of epinephrine was 5×10⁶~1×10^-4 mol/L.
- Nano-gold,
- glassy carbon electrode,
- epinephrine,
- ascorbic acid,
- cyclic voltammetry
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