| Formulation code | Zero order | First order | Higuchi release model | Korsemeyar’s Peppa | |
|---|---|---|---|---|---|
| R2 value | ‘n' value | ||||
| P1 | 0.867 | 0.880 | 0.932 | 0.953 | 0.113 |
| P2 | 0.990 | 0.991 | 0.98 | 0.944 | 0.140 |
| P3 | 0.945 | 0.949 | 0.980 | 0.979 | 0.092 |
| P4 | 0.982 | 0.976 | 0.933 | 0.854 | 0.111 |
| P5 | 0.982 | 0.982 | 0.971 | 0.928 | 0.098 |
| P6 | 0.964 | 0.972 | 0.990 | 0.967 | 0.143 |
| P7 | 0.981 | 0.978 | 0.923 | 0.84 | 0.119 |
| P8 | 0.918 | 0.918 | 0.914 | 0.907 | 0.146 |