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

Table 4

Effect of 2.23 mM of BBH and 2.00 mM of PABH on corrosion in 1 M HCl at different temperatures (weight loss method)—1 hour immersion.

Temp. (K)	Corrosion rate (mmpy)			IE (%)
	Blank	BBH	PABH	BBH	PABH
303	644.55	79.68	71.88	87.6	88.84
323	768.38	188.69	184.69	75.45	76.03
343	935.25	364.13	349.39	61.06	62.64
363	1222.85	648.36	581.21	49.43	52.47
383	1551.69	1008.44	935.51	34.97	38.54