Table 4 System suitability parameters for XIP and VAL in both pure and plasma samples
Parameters | Pure sample | Plasma sample | Reference values [39] | ||
|---|---|---|---|---|---|
XIP | VAL | XIP | VAL | Â | |
Retention time, tR | 3.35 ± SD | 4.66 ± SD | 3.23 ± SD | 4.34 ± SD |  |
Capacity factor, k' | 1.58 | 2.59 | 1.49 | 2.26 | Accepted kʹ value (1–10) |
Peak asymmetry (Tailing factor, T) | 1.00 | 0.92 | 1.18 | 1.15 | Accepted T value ≤ 2 |
Theoretical plates, N | 3620 | 3587 | 3384 | 3554 | Accepted N value > 2000 |
Resolution, Rs | 4.91 | 4.59 | Accepted value > 2 | ||
Selectivity (separation factor, α) | 1.64 | 1.52 |  | ||