Eco-Friendly Corrosion Inhibition of Pipeline Steel Using Brassica oleracea

Table 2

Potentiodynamic polarization parameters for pipeline steel in 0.5 M H₂SO₄ with and without different concentrations of Brassica oleracea extract at 303 K.

Concentration (g/L)	Blank	0.01	0.1	1.0
Eff. ()		96.80	98.31	93.48
(A/cm^2)	1.47	4.70	2.48	9.59
(mV dec^−1)	324.72	141.03	132.19	195.58
(mV dec^−1)	343.22	68.20	50.63	74.89
(mV versus SCE)	−442.69	−490.79	−484.56	−462.18