Abstract
The voltammetric responses of chlorine in aqueous acid solutions have been explored using different carbon-based electrodes. Edge-plane pyrolytic graphite has more electrochemical reversibility than glassy carbon, basal-plane pyrolytic graphite, or boron-doped diamond electrodes. A significant reduction in the overpotential is observed on the edge-plane pyrolytic-graphite electrode in contrast with the other carbon-based electrode substrates. These results suggest that edge-plane pyrolytic graphite can be optimally used as the working electrodes in Clark-cell devices for low-potential amperometric gas sensing of Cl2.
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Lowe, E.R., Banks, C.E. & Compton, R.G. Gas sensing using edge-plane pyrolytic-graphite electrodes: electrochemical reduction of chlorine. Anal Bioanal Chem 382, 1169–1174 (2005). https://doi.org/10.1007/s00216-005-3223-3
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DOI: https://doi.org/10.1007/s00216-005-3223-3