Studies on the Polarographic Reduction of Poly-m-xylylviologen Dibromide in Water
- 1 October 1984
- journal article
- research article
- Published by Taylor & Francis in Journal of Macromolecular Science: Part A - Chemistry
- Vol. 21 (11-12) , 1493-1505
- https://doi.org/10.1080/00222338408055678
Abstract
Polarographic studies on aqueous solutions of the redox polyelectrolyte poly-m-xylylviologen dibromide were carried out in the 1.70–7.90 pH range. The compound revealed two well-defined, diffusion-controlled cathodic waves with half-wave potentials of -0.482 and -0.906 V vs SCE. The electrode processes were found to be irreversible and independent of pH. The system did not conform to the protonation equilibrium (PXVBr2 + H+˭PXVBr2H+) in contrast to its ortho and para isomeric compounds. A suitable mechanism for the reduction processes is suggested.Keywords
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