Figure 5

Polarization curves for reinforced steel in SCP solutions containing 3.5 wt.%NaCl and BTC inhibitor concentrations of 12, 24, 37, 50 μmol L−1 at pH values of (a) 12.5, (b) 10 and (c) 7.
Polarization curves for reinforced steel in SCP solutions containing 3.5 wt.%NaCl and BTC inhibitor concentrations of 12, 24, 37, 50 μmol L−1 at pH values of (a) 12.5, (b) 10 and (c) 7.