Chemical Functionalization and Characterization of Cellulose Extracted from Wheat Straw Using Acid Hydrolysis Methodologies

Table 3

The ratio of the OH stretch to the C–C, C–OH, and C–H ring and side group vibrations.

Sample	Bonds	Intensity range	Ratio of the nonmodified to modified
Albright-Goldman oxidized (nitric acid)	OH-stretching	33.06	1 : 1
	C–C, C–OH, and C–H ring and side group vibrations	74.23
Nitric acid	OH-stretching	19.97
	C–C, C–OH, and C–H ring and side group vibrations	43.95
Albright-Goldman oxidized (sulfuric acid)	OH-stretching	21.62	2 : 1
	C–C, C–OH, and C–H ring and side group vibrations	51.97
Sulfuric acid	OH-stretching	6.05
	C–C, C–OH, and C–H ring and side group vibrations	22.26