Medical Definition of Oxidation-reduction potential
1.
The potential in volts of an inert metallic electrode measured in a system of an arbitrarily chosen ratio of [oxidant] to [reductant] and referred to the normal hydrogen electrode at absolute temperature.
It is calculated from the following equation: where R is the gas constant expressed in electrical units, T the absolute temperature (Kelvin), n the number of electrons transferred, F the faraday and E0 the normal symbol for the potential of the system at pH 0; for biological systems E0' is often used (in which pH = 7).
Compare: Nernst's equation.
Synonym: redox potential.
(05 Mar 2000)
Lexicographical Neighbors of Oxidation-reduction Potential
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