1. Sulfadiazine, 2 μg mL–1; 2. sulfamerazine, 0.48 μg mL–1; 3. sulfametoxydiazine, 1 μg mL–1; 4. sarafloxacin, 2 μg mL–1
1. Sulfadiazine, 2 μg mL–1; 2. sulfamerazine, 0.48 μg mL–1; 3. sulfametoxydiazine, 1 μg mL–1; 4. sarafloxacin, 2 μg mL–1 |
| Figure 1: Chromatograms of the analyte standard solutions with the mobile phase composed of 50 mM potassium dihydrogen phosphate (pH 3.05) with 0.01% diethylamide and different proportion of methanol. |
