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Investigation of The Electrode Pathway of Quinoline Azo Dye Compound via Convolutive Voltammetry and Digital Simulation

A. Al-Owais | I. S. El-Hallag*

Chemistry Department, College of Sciences, King Saud University, Saudi Arabia

Chemistry Department, Faculty of Science, Tanta University, Tanta, Egypt

Corresponding Author Email:

i.elhallag@yahoo.com

Received:

08 March 2016

| |

Accepted:

25 May 2016

| | Citation

v19n02a07_p091-95.pdf

OPEN ACCESS

Abstract:

The electrochemical behavior and the electrode reaction of quinolone azo dye compound was investigated using convolutive cyclic voltammetry at mercury electrode in 50% (v/v) ethanolic Britton-Robinson solutions of pH 2.5 – 12.0. Four electrons slow reduction wave was consumed in acidic and alkaline solutions corresponding to the reduction of the more easily N = N center. A second more cathodic irreversible , pH – dependent, 2-electron wave represents the reduction of quinolone ring. Cyclic voltammetry and convolution transforms were used to determine the kinetic parameters of the electroactive species.The extracted electrochemical parameters were confirmed via digital simulation.Controlled potential coulometry technique was used for calculation the overall number of electrons involved in electrode reaction.

Keywords:

electrochemical parameters, quinolineazo dye, convolutive voltammetry, digital simulation

1. Introduction

2. Experimental

3. Results and Discussion

4. Conclusion

5. Acknowledgment

References

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Investigation of The Electrode Pathway of Quinoline Azo Dye Compound via Convolutive Voltammetry and Digital Simulation