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Oxidation-Reduction Potential in Sea Water

Published online by Cambridge University Press:  11 May 2009

L. H. N. Cooper
L. H. N. Cooper
Affiliation:
Assistant Chemist at the Plymouth Labouratory
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Extract

The activity of oxygen in sea water and standard oxygen electrode potentials at a range of temperatures have been computed.

Accurate values for the thermodynamic ionic product of water, Kw, found by Harned & Hamer, have been applied to the calculation of the activity of hydroxyl ion in sea water from pH measurements.

The activity of water in sea water has been computed from the lowering of the freezing-point.

From these data the theoretical reversible oxidation-reduction potential of sea water has been calculated.

.Typical data for the irreversible potential in the pH range 1-8 have been derived from Hoar's results with which experimental determinations made by Dr Atkins agree. Thus the oxidation-reduction potential of sea water is controlled solely by the oxygen system.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 22 , Issue 1 , November 1937 , pp. 167 - 176
Copyright
Copyright © Marine Biological Association of the United Kingdom 1937

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