Opuntia ficus-indica Extract as Green Corrosion Inhibitor for Carbon Steel in 1 M HCl Solution

Table 1

Electrochemical parameters obtained from the polarization curves at 25°C.

(ppm)	(V/dec)	(V/dec)	(V)	(A/cm²)	IE; (%)
0	0.064	0.090			—
50	0.075	0.046			90
75	0.084	0.152			91
100	0.075	0.123			82
150	0.084	0.088			81
200	0.092	0.047			79
300	0.085	0.162			75