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 4

Peaks, wavelength, peak area, and assignments of functional group for FTIR adsorption by AF.

Wave number (cm^−1)	Intensity	Area	Assignments
710.79	67.12	7.69	C-H bend
827.49	64.41	7.39	C-H bend
888.25	56.94	15.32	C-H bend
955.76	58.30	17.83	C-H bend
1027.13	60.25	11.39	C-O stretch
1185.30	52.15	10.84	C-N stretch
1276.92	39.14	35.31	NO2 symmetric stretch
1384.94	49.95	18.37	NO2 symmetric stretch
1461.13	45.91	19.79	C-H bend
1694.52	13.64	47.31	C=C stretch
2652.21	56.40	35.53	-OH stretch
2933.83	15.87	178.41	C-H aliphatic stretch
3426.66	54.33	10.71	-OH stretch