| Precision |
Factors changed |
| pH ± 0.05 |
Flow rate(ml. min-1) ± 0.2 |
Methanol % ± 0.2% |
| 2.65 |
2.7 |
2.75 |
1.45 |
1.5 |
1.55 |
79.8 |
80 |
80.2 |
| Lef %RSD |
0.62 |
0.78 |
0.65 |
0.99 |
0.78 |
0.39 |
0.23 |
0.78 |
0.73 |
| Flur %RSD |
0.079 |
0.534 |
1.04 |
0.78 |
0.534 |
0.25 |
0.62 |
0.534 |
0.96 |
| Ibu %RSD |
0.58 |
0.166 |
0.35 |
0.056 |
0.166 |
0.87 |
1.02 |
0.166 |
1.03 |
| Mef %RSD |
0.742 |
0.016 |
1.05 |
0.044 |
0.016 |
1.08 |
0.029 |
0.016 |
0.57 |
| Diclo %RSD |
0.43 |
0.29 |
0.48 |
0.82 |
0.29 |
0.92 |
0.45 |
0.29 |
0.43 |
Lef=leflunomide, Flur=flurbiprofen, Ibu=ibuprofen, Mef=mefanamic acid, Diclo=diclofenac sodium. n=6 |