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Journal of Applied Electrochemistry

, Volume 32, Issue 2, pp 193–196 | Cite as

Electrosynthesis of 4,4′-dinitroazobenzene on PbO2 electrodes

  • S. Abaci
  • U. Tamer
  • K. Pekmez
  • A. YildizEmail author
Article

Abstract

Parameters which affect the electrosynthesis of 4,4′-dinitroazobenzene from p-nitroaniline on platinum and PbO2 electrodes were investigated and optimum conditions were determined. Maximum conversion efficiency for electrosynthesis was 95% with a pure β-PbO2 electrode. It was found that the electrocatalytic activity of a PbO2 electrode depends upon its α/β ratio and its degree of crystallinity. The effects of the added base and water on the conversion efficiency were also elucidated.

α-PbO2 β-PbO2 4,4′-dinitroazobenzene electrooxidation p-nitroaniline 

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Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  1. 1.Faculty of Science, Department of ChemistryHacettepe UniversityBeytepe-AnkaraTurkey
  2. 2.Faculty of Pharmacy, Department of Pharmaceutical ChemistryGazi UniversityEtiler-AnkaraTurkey

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