Table 4.

Infrared frequencies for functional groups on a bioactive glass surface before and after SBF reaction [24].

Wave number (cm−1)	Vibrational Mode
1350–1080	P=O	stretch
1250–1100	P=O	associated
940–860	Si–O–Si	stretch
890–800	C–O	stretch
1175–710	Si–O–Si	tetrahedral
610–600	P–O	bend crystal
560–550	P–O	bend amorphous
530–515	P–O	bend crystal
540–4515	Si–O–Si	bend