This is an Application Brief and does not contain a detailed Experimental section.
This application brief highlights the analysis of antibacterials using XBridge Phenyl columns.
Compounds used in this study are: 1. Carbadox 2. Thiamphenicol 3. Furazolidone 4. Oxolinic Acid 5. Sulfadimethoxine 6. Sulfaquinoxaline 7. Nalidixic Acid.
            
        | 
                     Columns:  | 
                     XBridge Phenyl, 4.6 x 100 mm, 3.5 μm p/n: 186003334  | 
            
| 
                     Mobile phase A:  | 
                     20 mM KH2PO4, pH 2.5  | 
            
| 
                     Mobile phase B:  | 
                     ACN  | 
            
| 
                     Flow rate:  | 
                     1.0 mL/min  | 
            
| 
                     Injection volume:  | 
                     10 μL  | 
            
| 
                     Sample:  | 
                     Carbadox (10 μg/mL), Thiamphenicol (100 μg/mL), Furazolidone (10 μg/mL), Oxolinic Acid (10 μg/mL), Sulfadimethoxine (10 μg/mL), Sulfaquinoxaline (10 μg/mL), Nalidixic Acid (10 μg/mL) in KH2PO4/ACN (80/20)  | 
            
| 
                     Column temp.:  | 
                     30 °C  | 
            
| 
                     Sampling temp.:  | 
                     15 °C  | 
            
| 
                     Detection:  | 
                     UV @ 254 nm  | 
            
| 
                     Sampling Rate:  | 
                     5 points/sec  | 
            
| 
                     Filter Response:  | 
                     0.2  | 
            
| 
                     Instrument:  | 
                     Alliance 2695 with 2996 PDA  | 
            
| 
                     Time(min)  | 
                     %A  | 
                     %B  | 
            
|---|---|---|
| 
                     0  | 
                     80  | 
                     20  | 
            
| 
                     2  | 
                     80  | 
                     20  | 
            
| 
                     7  | 
                     75  | 
                     25  | 
            
| 
                     15  | 
                     70  | 
                     30  | 
            
| 
                     16  | 
                     80  | 
                     20  | 
            
| 
                     20  | 
                     80  | 
                     20  | 
            
            
        WA60191, June 2007