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  365228.0122.02.431.1
5 g⋅L−1 S2− + 4 g⋅L−1  792112.6119.010.414.6
5 g⋅L−1 S2− + 0 g⋅L−1  372172.8116.92.131.7
0 g⋅L−1 S2− + 4 g⋅L−1  14.5132.2135.30.81104