Application of Carboxymethyl Chitosan-Benzaldehyde as Anticorrosion Agent on Steel

Figure 9

The analysis results of surface morphology using SEM for steel surfaces that have been added using (a) CMC-benzaldehyde with starch and (b) CMC-benzaldehyde without starch after potentiostatic polarization (coating method, concentration of 7 g/60 mL).

(a)

(b)