Parameters | % Assay* | RT* | Tailing factor* | N* |
Methanol concentration A = 60%; a = 55%, a’ = 65% | 98.91 − 99.2 = 0.2 | 2.63 − 3.23 = −0.6 | 1.04 − 1.03 = 0.01 | 5838 − 5688 = 150 |
Buffer solution pH | 98.86 − 99.05 = −0.19 | 2.49 − 3.16 = −0.67 | 1.04 − 1.03 = 0.01 | 5813 − 5791 = 22 |
Column temperature | 98.95 − 98.70 = 0.25 | 2.70 − 2.33 = 0.37 | 1.04 − 1.04 = 0.00 | 5825 − 5740 = 85 |
Mobile Phase Flow rate | 98.80 − 99.30 = −0.5 | 2.61 − 2.71 = −0.10 | 1.03 − 1.06 = − 0.03 | 5785 − 5775 = 10 |
Methanol supplier | 99.07 − 97.4 = 1.67 | 2.66 − 2.36 = 0.3 | 1.04 − 1.04 = 0.00 | 5812 − 5773 = 39 |