Research Article
Novel HPLC Analysis of Hydrocortisone in Conventional and Controlled-Release Pharmaceutical Preparations
Table 2
Accuracy of the HPLC method showing the mean percentage recovery of hydrocortisone at three concentration levels.
| Concentration levels | Amount taken (mg/ml) | Amount added (mg/ml) | Amount recovered | Percentage recovery (%) |
| 80% | 0.10 | 0.08 | 0.07820 | 97.75 | 0.10 | 0.08 | 0.07840 | 98.01 | 0.10 | 0.08 | 0.07836 | 97.92 | 100% | 0.10 | 0.10 | 0.10073 | 100.73 | 0.10 | 0.10 | 0.10120 | 101.20 | 0.10 | 0.10 | 0.10052 | 100.52 | 120% | 0.10 | 0.12 | 0.11998 | 99.98 | 0.10 | 0.12 | 0.12062 | 100.05 | 0.10 | 0.12 | 0.11934 | 99.45 |
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