Research Article

Effect of Pharmaceutically Active Compound Nitroxoline on the Corrosion of Mild Steel in an Acidic Environment

Table 5

Potentiodynamic polarization parameters for mild steel corrosion in 1 M sulphuric acid solution at various concentrations of the inhibitor.

Nitroxoline conc. (ppm) (V/dec) (V/dec) (mV/SCE) (mA/cm2) (ohm)IE (%)
η

H2SO4 (blank)6.8756.4172.27714
506.4536.5690.97273457.28
1007.3477.0630.70854368.88
1506.1567.1640.62995272.34
2006.8717.2980.46936579.39
2507.4727.2610.41557181.75
3009.0968.3780.25999688.59