IUPAC > Gold Book > alphabetical index > O > overpotential, Math - symbol
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overpotential, Math - symbol
Deviation of the potential of an electrode from its equilibrium value required to cause a given current to flow through the electrode.
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Cite as: IUPAC Compendium of Chemical Terminology, Electronic version, http://goldbook.iupac.org/O04358.html.
Transformed and rewritten from PDF version (entry http://www.iupac.org/goldbook/O04358.pdf)
by: Miloslav Nic, Jiri Jirat, Bedrich Kosata, ICT Prague, Czech Republic
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