Conc. (mg/ml) Accuracy (%) Intra-day precision (RSD1 Inter-day precision (RSD %)
0.625 97.46 1.8 2.3
5.00 101.0 1.7 0.78
15.0 97.27 0.28 3.2
*Separation conditions: capillary 50 μm i.d. (50 cm total and 41.5 cm effective length), buffer phosphate 72 mM, pH=3.50, temperature: 35°C, voltage: -30 kV.
1. Relative standard deviation
Table 2: Accuracy and precision of the method.