Table 6.
Application of the proposed methods for the simultaneous determination of AZI and LEVO with ratio 1:1 in laboratory-prepared tablets for five determinations.
| Pharmaceutical preparation | Recovery% ± % RSD |
|||||
|---|---|---|---|---|---|---|
| Method I (Direct) |
Method II (D1) |
Reported HPLC Method [7] |
||||
| AZI | LEVO | AZI | LEVO | AZI | LEVO | |
| Laboratory-prepared tablets | 100.49 ± 1.45 | 100.44 ± 0.94 | 100.58 ± 0.92 | 100.12 ± 0.89 | 99.77 ± 0.78 | 99.80 ± 0.59 |
| t a | 0.97 (2.45) | 1.28 (2.36) | 1.50 (2.31) | 0.67 (2.36) | ||
| F a | 3.51 (9.61) | 2.61 (9.61) | 1.43 (9.61) | 2.32 (9.61) | ||
a
Figures between parentheses represents the corresponding tabulated values of t and F at P = 0.05.