Figure 3

(a) Nyquist plots for reinforcing steel in SCP solution with 3.5 wt.%NaCl at ambient temperature using variable concentrations of BTC (12, 24, 37, 50 μmol L−1), at variable pH values of (a) 12.5, (b) 10 and (c) 7.
(a) Nyquist plots for reinforcing steel in SCP solution with 3.5 wt.%NaCl at ambient temperature using variable concentrations of BTC (12, 24, 37, 50 μmol L−1), at variable pH values of (a) 12.5, (b) 10 and (c) 7.