Research Article
Protection of Brass in HCl Solution by L-Cysteine and Cationic Surfactant
Figure 9
SEM and EDS analysis of (a) the polished brass surface without any treatment, (b) the brass surface after immersion of the electrode for 1140 min in 1·10−2 M cysteine solution, and (c) the brass surface after immersion of the electrode for 4080 min in 1·10−3 M SDS solution.
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