Formulation Development and Characterization of Meclizine Hydrochloride Sublimated Fast Dissolving Tablets

Table 5

FTIR graph interpretation of pure MCZ and camphor.

Pure MCZ FTIR graph interpretation			Camphor FTIR graph interpretation
Region in cm^−1	Type of vibration	Functional group present	Region in cm^−1	Type of vibration	Functional group present
~2400–2500	NH3 stretch	Ammonium ion	2957	CH3 stretch	Methyl
1475	C=C stretch	Aromatic (unsaturated)	1448	CH3 bending	Methyl
1450	CH3 stretch	Methyl	1738	C=O stretch	Ketone
1901	C–N stretch	Nitrile
698	C–Cl stretch	Carbon-chlorine