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Anaerobic corrosion of iron. (A) Anodic and cathodic currents. (B) Dependence of log|iA| and log|iC|, where |iA| and |iC| are the absolute values of iA and iC, on electrode potential E. The intersection point has the coordinates (log|icorr|, Ecorr). (C) Tafel plot of actual experimental data in which E is plotted against log|iT|, the absolute value of the measured current: |iT| = ||iA| − |iC||.
