Tab. 4.
Compositions of the buoyant layers
No. | Ingredients | Formulation codes | ||||
---|---|---|---|---|---|---|
| ||||||
B1 | B2 | B3 | B4 | B5 | ||
1 | HPMC K 100M | 140 | 150 | 160 | 130 | 160 |
2 | Sodium bicarbonate | 50 | 60 | 70 | 90 | 90 |
3 | Citric acid | 50 | 50 | 60 | 70 | 80 |
4 | Dicalcium phosphate | – | 20 | – | – | – |
5 | Microcrystalline cellulose | 20 | – | – | – | – |
6 | Lactose | – | – | 30 | 30 | 30 |