The cathodic polarization curve of a nickel electrode is measured in a de-aerated acid solution. The saturated calomel electrode is used as the reference. The working electrode has a surface of 2 cm². The following results are obtained:
E (V) (SCE)
1(mA)
-0.55
0
-0.64
-0.69
-0.71
-0.73
-0.77
0.794
3.05
4.90
8.10
20.0
Calculate the corrosion current density as well as the rate of corrosion (in mm per year)?
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Asked by Tyhj on 11th July, 2022
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