Surface Protection of Carbon Steel by Hexanesulphonic Acid-Zinc Ion System
Figure 5
Three-dimensional AFM images of the surface of (a) polished carbon steel (control); (b) carbon steel immersed in dam water (blank); (c) carbon steel immersed in dam water containing 1.35 × 10−3 mol/L of SHXS and 1.04 × 10−4 mol/L of Zn2+.