Eco-Friendly Corrosion Inhibition of Pipeline Steel Using Brassica oleracea

Table 5

Potentiodynamic polarization parameters for pipeline steel in 0.5 M H₂SO₄ with and without different concentrations of Brassica oleracea extract at 333 K.

Concentration (g/L)	Blank	0.01	0.1	1.0
Eff. ()		79.93	98.88	98.44
(A/cm^2)	5.88 e^+4	1.18 e^+4	6.54 e^+2	9.16 e^+2
(mV dec^−1)	591.73	299.31	133.35	153.48
(mV dec^−1)	567.15	273.71	58.65	44.45
(mV versus SCE)	−406.57	−428.06	−485.56	−469.41