Method and apparatus for the measurement of the corrosion potential between a coated metal surface and a reference electrode
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United States of America Patent
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Nov 29, 1994
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N/A
app pub date -
Mar 10, 1992
filing date -
Jun 13, 1990
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Abstract
Method for the investigation of the condition of a corrodible surface coated with a polymer, wherein the corrosion potential at the corrodible surface is measured without contacting either the corrodible surface or the polymer coating by means of a Kelvin probe which measures the potential between the corrodible surface and a probe electrode. The potential difference reflects the corrosion potential and, thus, the corrosion condition of the polymer coated surface.
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