Research Article

Baphia nitida Leaves Extract as a Green Corrosion Inhibitor for the Corrosion of Mild Steel in Acidic Media

Table 4

Corrosion parameters obtained from weight loss of mild steel in 2 M HCl containing various concentrations of BN extract at different temperatures.

Concentration of BN (mg/L)Temperature
30°C40°C50°C60°C
(mg/cm2)IE (%) (mg/cm2)IE (%) (mg/cm2)IE (%) (mg/cm2)IE (%)

04.445.439.3813.66
51.1873.420.73421.9264.640.64644.0057.360.57366.6051.680.5168
101.0775.90.75901.8366.30.66303.8259.280.59286.2754.10.5410
200.8880.180.80181.6869.060.69063.5861.830.61835.8657.10.5710
400.6585.360.85361.4872.740.72743.2465.460.65465.4360.250.6025
600.5288.290.88291.3175.870.75872.9069.080.69085.0163.320.6332
800.4190.770.90771.1379.190.79192.7071.260.71264.7765.080.6508
1000.2993.470.93470.9782.140.82142.5373.030.73034.5966.40.6640