Research Article
New Sensitive Kinetic Spectrophotometric Methods for Determination of Omeprazole in Dosage Forms
Table 7
Determination of OMZ in its dosage forms by the proposed methods.
| Dosage form | Label claim ( ± SD | | Initial rate method | Fixed-time method | method | Iodine | DDQ | Iodine | DDQ |
| Gastrazole capsules | 99.82 ±1.65 | 98.91 ±1.78 | 100.24 ±1.84 | 99.20 ±1.53 | 100.40 ±1.34 | | 0.63 | 1.51 | 0.2 | 1.32 | | | 1.52 | 1.76 | 1.89 | 1.30 | |
| Losec tablets | 99.41 ±1.24 | 99.70 ±1.13 | 100.32 ±0.94 | 99.93 ±1.13 | 100.90 ±1.18 | | 1.96 | 1.64 | 0.14 | 0.64 | | | 1.10 | 1.09 | 0.63 | 0.92 | |
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Values are mean of five determinations. The tabulated values of and at 95% confidence limit are 2.78 and 6.39, respectively. Reference [12].
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