Parameters | Proposed method | Reported UPLC method [52] | Reported HPTLC method [50] | Reference (Srivastava, 2011) [57] | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
PX | REM | DEX | FVP | PX | REM | DEX | FVP | FVP | REM | ||
Capacity factor (K′) | 1.50 | 4.47 | 5.64 | 6.67 | 1.67 | 2.69 | 2.07 | 1.10 | 2.04 | 5.56 | 1–10 |
Symmetry factor | 1.00 | 1.16 | 1.16 | 0.92 | 1.00 | 1.60 | 1.12 | 1.20 | 0.92 | 0.81 | ~ 1 |
Resolution (Rs) | 4.91 | 4.91 | 6.86 | 2.50 | 1.73 | – | 2.50 | 2.74 | 6.38 | – | Rs > 1.5 |
Selectivity (α) | 2.98 | 2.98 | 1.27 | 1.18 | 1.24 | – | 1.30 | 1.52 | 10.73 | – | α > 1 |