Platinum as a Reference Electrode in Electrochemical Measurements

The usefulness of platinum as an electrochemical reference electrode was investigated. Well known redox systems with one-electron single or multiple redox waves, and two-electron multiple redox waves were used as test regimes. The effects on electrode performance of variables such as the solvent, th...

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Bibliographic Details
Published in:Johnson Matthey technology review 2008-04, Vol.52 (2), p.100-106
Main Authors: Kasem, By Kasem K., Jones, Stephanie
Format: Article
Language:English
Subjects:
Electrodes
Platinum
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Summary:The usefulness of platinum as an electrochemical reference electrode was investigated. Well known redox systems with one-electron single or multiple redox waves, and two-electron multiple redox waves were used as test regimes. The effects on electrode performance of variables such as the solvent, the physical state of the electrolyte and its temperature were investigated. Cyclic voltammetry (CV) was used to derive kinetic parameters for comparison with corresponding measurements on traditional reference electrodes. The results indicate that Pt can be used as a reference electrode under specific conditions in which traditional reference electrodes cannot be used.
ISSN:0032-1400
2056-5135
DOI:10.1595/147106708X297855