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corrosion rate

Also contains definition of: corrosion current

The amount of substance transferred per unit time at a specified surface. Using Faraday's law, the corrosion rate, v cor, can be formally expressed as an electric current which at the corrosion potential is called the corrosion current, I cor, e.g. for the anodic dissolution of one component of a material with v cor in mol s −1 and I cor in A one obtains I cor = n F v cor, n being the charge number of the electrode reaction and F the Faraday constant.
Source:
PAC, 1989, 61, 19 (Electrochemical corrosion nomenclature (Recommendations 1988)) on page 20
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: doi:10.1351/goldbook.C01358.
Original PDF version: http://www.iupac.org/goldbook/C01358.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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