Effect of 3-Nitroacetophenone on Corrosion Inhibition of Mild Steel in Acidic Medium

Table 4

The polarization parameters for mild steel in 1 N HCl in the presence and absence of 250 ppm of 3-nitroacetophenone.

Conc. of inhibitor (ppm)	(V vs. SCE)	(A/cm^2)	(ohm)	(V dec^-1)	(V dec^-1)	CR (mm/y)	IE (%)
Blank	-0.571		35.7	0.214	0.262	16.49	—
50	-0.573		43.0	0.211	0.223	13.68	17.04
100	-0.560		52.1	0.161	0.214	11.28	31.60
150	-0.498		87.6	0.085	0.158	6.71	59.27
200	-0.556		99.2	0.130	0.216	5.926	64.05
250	-0.545		131.3	0.100	0.148	4.478	72.82