 
            
        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