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

Table 2

Corrosion parameters derived from weight loss measurements in 1 M HCl containing N′-benzylidenebenzohydrazide (BBH) at 303 K.

𝐶 (mM)	Corrosion rate (mmpy)	Surface coverage (θ)	Inhibition efficiency (%)
0.00	332.28	—	—
0.46	37.56	0.89	88.69
0.89	21.05	0.93	93.66
1.34	16.09	0.95	95.15
1.78	11.05	0.96	96.52
2.23	8.87	0.97	97.32