Research Article
Validation and Application of a New Reversed Phase HPLC Method for In Vitro Dissolution Studies of Rabeprazole Sodium in Delayed-Release Tablets
Table 5
Stability of analytical sample solution.
| Hour | Concentration (μg/mL) | Room temperature (°C) | Peak area of sample | Difference percentage (%) from initial |
| 0 | 10 | 25 ± 2 | 207960 | 0.0 | 1 | 10 | 25 ± 2 | 205734 | 1.1 | 2 | 10 | 25 ± 2 | 204729 | 1.6 | 3 | 10 | 25 ± 2 | 204185 | 1.8 | 4 | 10 | 25 ± 2 | 202898 | 2.4 | 5 | 10 | 25 ± 2 | 200037 | 3.8 | 6 | 10 | 25 ± 2 | 197381 | 5.1 |
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