Research Article

Corrosion Inhibition of Carbon Steel in 0.5 M H2SO4 by Phtalocyanine Blue

Table 4

Potentiodynamical polarization parameters for the corrosion of 1018 carbon steel in 0.5 M H2SO4 at 60°C.

(ppm) (mV) (mA/cm2)I.E. (%)

0−50822
100−5031150
200−4877.565
400−4905.675
600−5014.181
800−5033.584
1000−5002.987