Titrimetric and Spectrophotometric Assay of Oxcarbazepine in Pharmaceuticals Using N-Bromosuccinimide and Bromopyrogallol Red

Table 4

Results of analysis of tablets by the proposed methods.

Tablets analysed	Label claim, mg/tablet	Found* (Percent of label claim ± SD)
		Reference method	Method A	Method B
Trioptal 300	300	98.14 ± 1.56	97.33 ± 0.89	98.66 ± 1.12
			t = 1.04	t = 0.61
			F = 3.07	F = 1.94
Oxetol 600	600	102.1 ± 1.26	101.3 ± 1.56	100.2 ± 0.93
			t = 0.89	t = 2.74
			F = 1.53	F = 1.84

*Mean value of five determinations.