Utility of p-Chloranilic Acid and 2,3-Dichloro-5,6-dicyano-p-benzoquinone for the Spectrophotometric Determination of Rizatriptan Benzoate

Table 5

Results of analysis of tablets by the proposed methods.

Tablet brand name	Label claim mg/tablet	Found (percent of label claim ± SD)^a
		Reference method	Proposed methods
			Method A	Method B
Rizora-10	10	100.17 ± 0.61	99.76 ± 0.78	101.12 ± 0.93
			t = 0.93	t = 1.91
			F = 1.64	F = 2.32
Rizora-5	5	99.89 ± 0.77	100.89 ± 1.13	101.01 ± 0.97
			t = 1.60	t = 2.02
			F = 2.15	F = 1.59

^aMean value of five determinations.
Tabulated 𝑡-value at the 95% confidence level is 2.78.
Tabulated 𝐹-value at the 95% confidence level is 6.39.