Research Article
Development and Validation of HPTLC Method for Estimation of Carbamazepine in Formulations and Its In Vitro Release Study
Table 2
Recovery studies ().
| Formulation | Amount of drug analyzed (ng) | Amount of drug added (ng) | Theoretical concentration (ng) | Total amount of drug analyzed (ng) | % Recovery Ā± SD |
| F1 | 200 | 160 | 360 | 360.36 | 100.1 | 200 | 200 | 400 | 405.16 | 101.3 | 200 | 240 | 440 | 437.48 | 99.4 |
| | | | | % Average recovery SD | 100.3 1.3 |
| F2 | 200 | 160 | 360 | 360.7 | 100.2 | 200 | 200 | 400 | 397.8 | 99.5 | 200 | 240 | 440 | 448.21 | 101.9 |
| | | | | % Average recovery SD | 100.5 1.7 |
| F3 | 200 | 160 | 360 | 364.83 | 101.3 | 200 | 200 | 400 | 402.37 | 100.6 | 200 | 240 | 440 | 437.5 | 99.4 |
| | | | | % Average recovery SD | 100.5 1.3 |
| Marketted | 200 | 160 | 360 | 359.24 | 99.8 | Tablets | 200 | 200 | 400 | 400.35 | 100.1 | | 200 | 240 | 440 | 438.31 | 99.7 |
| | | | | % Average recovery SD | 99.9 1.9 |
|
|