Research Article
Protection of Brass in HCl Solution by L-Cysteine and Cationic Surfactant
Figure 8
Polarization curves for brass in 0.05 M HCl + 1·10−2 M cysteine solution after immersion in 1·10−3 M SDS solution for various periods of time (15, 30, 60, 1200, and 4080 min; scan rate, 1 mV/s).