Research Article
Effect of Additional Sulfide and Thiosulfate on Corrosion of Q235 Carbon Steel in Alkaline Solutions
Table 4
Electrochemical parameters fitted from the potentiodynamic polarization curves of Q235 carbon steel.
| Concentration (g⋅L−1) | (mV) | (μA/cm2) | (mV) | (mV) | (mA/cm2) | (Ohm) |
| 5 g⋅L−1 S2− + 5 g⋅L−1 | | 365 | 228.0 | 122.0 | 2.4 | 31.1 | 5 g⋅L−1 S2− + 4 g⋅L−1 | | 792 | 112.6 | 119.0 | 10.4 | 14.6 | 5 g⋅L−1 S2− + 0 g⋅L−1 | | 372 | 172.8 | 116.9 | 2.1 | 31.7 | 0 g⋅L−1 S2− + 4 g⋅L−1 | | 14.5 | 132.2 | 135.3 | 0.8 | 1104 |
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