Inhibition Effect of Benzohydrazide Derivatives on Corrosion Behaviour of Mild Steel in 1 M HCl

Table 5

Electrochemical parameters derived from potentiodynamic polarization curves for mild steel in 1 M HCl containing BBH at 303 K.

𝐶 (mM)	𝐸corr	𝑏𝑎	𝑏𝑐	𝐼corr	IE (%)
	(mV versus (SCE))	(mV dec^−1)	(mV dec^−1)	(mA/cm^2)
0.00	−468	111	55	1.597	—
0.45	−498	107	72	0.212	86.17
0.89	−494	143	65	0.141	91.16
1.34	−504	89	82	0.966	93.95
1.78	−478	125	81	0.899	94.37
2.23	−477	128	64	0.688	95.69