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Original scientific paper

Electrochemical Reduction of 2-(2-Thiazolylazo)-p-cresol at a Pyrolytic Graphite Electrode

Rajendra N. Goyal ; Department of Chemistry, University ofRoorkee, Roorkee-247 667, India
Neeraj Kumar ; Department of Chemistry, University ofRoorkee, Roorkee-247 667, India


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Abstract

The electrochemical reduction of 2-(2-thiazolylazo)-p-cresol has been studied in phosphate buffers of different pH at a pyrolytic graphite electrode. The reduction of the dye occurred in a single well-defined 4e, 4H+ step and the electrode reaction was found as ECE. The reduction products were separated and characterized by m.p., 1H-NMR and mass spectra. The hydrazo intermediate was found to be unstable and undergoes further reaction, the rate of which obeys the equation rate = r° + k}j [H+] + &QH [OH-].

Keywords

Hrčak ID:

135663

URI

https://hrcak.srce.hr/135663

Publication date:

3.11.1997.

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