Table 6 Robustness study
System suitability parameters (variations) | %RSD peak area (n = 6) | Mean tailing factor (n = 6) | MeanR t (min) (n = 6) | |
|---|---|---|---|---|
Varied pH (±0.2%) | 7.2 | 1.354 | 0.875 | 0.321 |
7.6 | 1.371 | 0.858 | 0.336 | |
Mobile phase ratio (±20 v/v) | 60:40 | 1.362 | 0.891 | 0.338 |
20:80 | 1.348 | 0.915 | 0.346 | |