Research Article

Surface Protection of Carbon Steel by Hexanesulphonic Acid-Zinc Ion System

Figure 2

AC impedance spectra of carbon steel immersed in various test solutions. (a) Dam water. (b) Dam water containing 1.35 × 10−3 mol/L of SHXS and 1.04 × 10−4 mol/L of Zn2+.
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