Research Article
Protection of Brass in HCl Solution by L-Cysteine and Cationic Surfactant
Table 1
Corrosion parameters for brass in 0.05 M HCl solution with addition of various concentrations of cysteine.
| | Cinh (mol/dm3) | Ecorr (V) versus SCE | jcorr (μA/cm2) | ba (V) | bc (V) |
| | 0.05 HCl | −0.126 | 18 | 0.066 | −0.190 | | 1·10−4 Cys | −0.118 | 7 | 0.057 | −0.159 | | 1·10−3 Cys | −0.208 | 3 | 0.06 | −0.169 | | 5·10−3 Cys | −0.235 | 2.5 | 0.065 | −0.093 | | 1·10−2 Cys | −0.248 | 2 | 0.055 | −0.135 |
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