 
            
        This is an Application Brief and does not contain a detailed Experimental section.
This application brief highlights the analysis of analgesics.
| Column: | Atlantis T3, 4.6 x 150 mm, 5 μm | 
| Part Number: | 186003747 | 
| Mobile Phase A: | H2O | 
| Mobile Phase B: | ACN | 
| Mobile Phase C: | 1% HCOOH in H2O, pH 2.3 | 
| Flow Rate: | 1.0 mL/min | 
| Injection Volume: | 10 μL | 
| Sample: | Acetaminophen (20 μg/mL), Caffeine (20 μg/mL), 2-Acetamidophenol (50 μg/mL), Acetanilide (20 μg/mL), Acetylsalicyic acid (50 μg/mL), Phenacetin (20 μg/mL) in H2O | 
| Column Temperature: | 30 ˚C | 
| Sample Temperature: | 15 ˚C | 
| Detection: | UV @ 260 nm | 
| Sampling Rate: | 5 point/sec | 
| Filter Response: | 0.2 | 
| Instrument: | Waters Alliance 2695 with 2996 PDA | 
| Time (min) | Profile | ||
|---|---|---|---|
| %A | %B | %C | |
| 0.00 | 75 | 15 | 10 | 
| 10.00 | 30 | 60 | 10 | 
| 11.00 | 75 | 15 | 10 | 
| 15.00 | 75 | 15 | 10 | 
 
            
        WA60217, January 2009