Figure 11

SEM micrographs for the reinforcement steel surface after immersion in saline SCPS for 24 h, (A–C) in the absence and (D–F) in the presence of 20 µmol L−1 of the Q-32 corrosion inhibitor at pH 7 (A–D), pH 9 (B–E), and pH 12 (C–F) and 20 °C.