Eco-Friendly Corrosion Inhibition of Pipeline Steel Using Brassica oleracea

Table 3

Potentiodynamic polarization parameters for pipeline steel in 0.5 M H₂SO₄ with and without different concentrations of Brassica oleracea extract at 313 K.

Concentration (g/L)	Blank	0.01	0.1	1.0
Eff. ()		99.25	99.63	99.57
(A/cm^2)	3.63	2.71	1.36	1.57
(mV dec^−1)	647.78	127.45	109.38	128.76
(mV dec^−1)	445.187	45.90	28.54	39.46
(mV versus SCE)	−489.89	−478.81	−472.74	−483.42