Research Article
Use of Charge Transfer Complexation Reactions for the Spectrophotometric Determination of Sumatriptan in Pharmaceuticals
Table 6
Results of recovery study by standard addition method.
| Tablets studied | DDQ method | I2 method | SMT in tablets, g mL−1 | Pure SMT added, μg mL−1 | Total found, μg mL−1 | Pure SMT recovered*, percent ± SD | SMT in tablets, μg mL−1 | Pure SMT added, μg mL−1 | Total found, μg mL−1 | Pure SMT recovered*, percent ± SD |
| Suminat-25 | 16.34 | 8.00 | 24.47 | 101.6 ± 1.22 | 7.93 | 4.00 | 12.00 | 101.8 ± 2.31 | 16.34 | 16.0 | 32.17 | 98.94 ± 1.75 | 7.93 | 8.00 | 16.00 | 100.9 ± 1.19 | 16.34 | 24.0 | 40.86 | 102.2 ± 0.78 | 7.93 | 12.0 | 19.77 | 98.67 ± 0.75 |
| Suminat-50 | 16.21 | 8.00 | 24.32 | 101.4 ± 1.66 | 8.07 | 4.00 | 12.02 | 98.75 ± 1.32 | 16.21 | 16.0 | 31.98 | 98.56 ± 1.13 | 8.07 | 8.00 | 16.20 | 101.6 ± 2.02 | 16.21 | 24.0 | 39.38 | 99.00 ± 0.98 | 8.07 | 12.0 | 20.37 | 102.5 ± 1.06 |
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*Mean value of three determinations.
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