Spectrophotometric Determination of Zolmitriptan in Bulk Drug and Pharmaceuticals Using Vanillin as a Reagent

Table 4

Results of analysis of tablets by the proposed methods.

Tablet brand name	Label claim	Found (percent of label claim ± SD)^a
	mg/tablet	Reference method	Proposed method
Zomig-2.5	2.5	100.59 ± 0.90	99.22 ± 1.50
			t = 1.75
			F = 2.77

^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.