Optimization of Thermoreversible In Situ Nasal Gel of Timolol Maleate

Table 4

FTIR spectrum of timolol maleate.

Sr. number	Bond	Range (1/cm)	Observed peaks cm^−1
1	N-H	3500–3300	3350.73
2	O-H	3700–3500	3185.83
3	C=N	2260–2210	2212.92
4	-CH3	2960–2850	2938.98
5	C=O	1740–1720	1714.41
6	N-S	910–900	857.20
7	C=C	1584	1568