International Scholarly Research Notices

Research Article

Use of Charge Transfer Complexation Reactions for the Spectrophotometric Determination of Sumatriptan in Pharmaceuticals

Table 5

Results of analysis of tablets by the proposed methods.
Tablet brand nameLabel claim mg/tabletFound (percent of label claim ± SD)a
Reference methodProposed methods
DDQ methodI2 method
Suminat-2525101.1 ± 0.83102.1 ± 1.0999.11 ± 1.35
= 1.63 = 2.81
= 2.64
Suminat-505099.43 ± 1.05101.3 ± 1.80100.9 ± 1.67
= 2.01 = 1.67
= 2.94
aMean value of five determinations.
Tabulated -value at the 95% confidence level is 2.78.
Tabulated -value at the 95% confidence level is 6.39.