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

Table 5

EIS Parameters for the corrosion of 1018 carbon steel in 0.5 M H₂SO₄ at 25°C.

𝐶inh; (ppm)	𝑅ct; (Ohm cm^2)	𝐶dl; (𝜇F/cm^2)	IE (%)
			25°C	40°C	60°C
0	148	156	—	—	—
100	421	59	62	28	90
200	430	56	65	42	96
400	530	50	72	60	97
600	702	30	78	66	97
800	790	12	81	73	98
1000	671	22	78	67	96