Research Article

A Comparative Study of the Inhibitory Effect of Gum Exudates from Khaya senegalensis and Albizia ferruginea on the Corrosion of Mild Steel in Hydrochloric Acid Medium

Table 9

FTIR spectrum of the corrosion product of mild steel in the presence of AF gum as an inhibitor.

Peak (cmāˆ’1)IntensityArea (cm2)Assignment (functional group)

872.8240.03136.912C-H oop due to aromatics
1030.9938.26737.875C-O stretch due to alcohol, carboxylic acids, esters, or ethers
1084.9938.78559.234C-O stretch due to alcohol, carboxylic acids, esters, or ethers
1360.8239.5352.330NO2 symmetric stretch
1466.9138.2772.010C-H scissoring and bending
1635.6934.3532.236-C=C- stretch due to alkene
3277.1718.3274.257OH stretch due to phenols and alcohols
3444.9817.3937.301OH stretch due to phenols and alcohols