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System suitability parameters of the proposed chromatographic method.
| Parameters | PAR | DEX | RIV | Reference Value37. | |
|---|---|---|---|---|---|
| Retention time (tR) | 3.19 ± 0.01 | 7.02 ± 0.01 | 7.81 ± 0.01 | ||
| Capacity factor ( K´) | 1.13 | 3.68 | 4.21 | 1 < K < 10 | |
| Resolution (Rs) | 2.68 | 6.66 | Rs ≥ 1.50 | ||
| Tailing factor (T) | 1.01 | 1.04 | 1.02 | 0.80–1.20 | |
| Selectivity factor (α) | - | 3.26 | 1.14 | α > 1.00 | |
| Theoretical plates number (N) | 5821 | 53,077 | 66,656 | > 2000 | |
