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Composition of the Validation Batches
| Formula | Quantities in mg | |
|---|---|---|
| Ingredients | Formulation 1 | Formulation 2 |
| Poly (ethylene oxide) | ||
| WSR 303 (molecular | 292.21 | 298.86 |
| weight 7 × 106) | ||
| Ethylcellulose N–7 | 47.66 | 47.50 |
| Theophylline | 134.70 | 125.97 |
| Sodium chloride | 19.87 | 15.86 |
| Citric acid | 0.36 | 0.12 |
| Polyethylene Glycol | 4.08 | 4.94 |
| Glycerin | 0.28 | 0.81 |
| Total | 499.16 | 494.06 |
