Journal of Analytical Methods in Chemistry / 2023 / Article / Tab 2 / Research Article
Simultaneous Separation and Determination of Nine Active Ingredients in Sanyetangzhiqing by Cyclodextrin-Modified Micellar Electrokinetic Capillary Electrophoresis-Diode Array Detector Table 2 Intraday precision, interday precision, accuracy, and stability of nine compounds.
Compounds Concentration (μ g/mL) Intraday Interday Stability Accuracy (%) RSD (%) Accuracy (%) RSD (%) Remains (%) RSD (%) Paeoniflorin 10 98.3 0.4 97.9 1.7 104 4.0 20 101 1.5 101 2.6 100 2.0 50 102 4.5 105 4.1 98.1 2.7 Chlorogenic acid 100 103 4.3 104 4.5 102 4.7 200 104 4.3 103 3.4 102 2.9 500 98.5 4.8 100 4.3 104 4.2 Rosmarinic acid 20 99.6 4.0 102 4.4 105 4.6 40 105 2.6 105 2.9 104 1.0 100 101 3.1 104 4.8 97.4 3.6 Hyperoside 10 105 2.1 103 3.3 102 3.6 20 100 4.8 105 4.8 102 4.5 50 101 4.0 100 4.1 104 2.7 Isoquercitrin 10 99.8 1.5 99.8 4.6 104 3.4 20 103 2.0 101 5.0 104 3.4 50 102 4.6 105 4.2 99.0 3.3 Quercetin-3-O -glucuronoside 10 98.8 2.0 98.4 4.2 105 2.9 20 96.1 2.3 99.1 4.7 96.1 4.9 50 102 4.3 105 4.4 98.3 3.1 Salvianolic acid B 10 98.9 4.6 98.8 4.2 97.0 4.8 20 104 3.4 102 3.0 102 1.1 50 96.0 3.4 100 4.4 98.6 4.5 Lithospermic acid 10 100 3.7 97.7 3.9 106 3.9 20 104 4.5 102 4.2 101 4.9 50 105 4.6 104 4.9 98.8 3.0 Astragalin 10 104 3.8 104 3.4 101 3.5 20 99.9 1.6 99.0 1.9 99.6 2.3 50 103 4.0 102 2.8 103 4.3
n = 6.