 
            
        This is an Application Brief and does not contain a detailed Experimental section.
This application brief describes the gradient separation of catecholamines on Atlantis HILIC Silica column.
The compounds used in this study are:
| Column: | Atlantis HILIC Silica, 4.6 x 50 mm, 5 μm | 
| Part Number: | 186002028 | 
| Mobile Phase A: | H2O | 
| Mobile Phase B: | ACN | 
| Mobile Phase C: | 200 mM NH4COOH, pH 3.0 | 
| Flow Rate: | 2.0 mL/min | 
| Injection Volume: | 5.0 μL | 
| Sample Diluent: | 75:25 ACN:MeOH with 0.2% FA | 
| Sample Concentration: | 42 μg/mL Norepinephrine (NE), 17 μg/mL Epinephrine (E), 83 μg/mL 3-hydroxytyramine (Dopamine) | 
| Detection: | UV @ 280 nm | 
| Temperature: | Ambient | 
| Instrument: | Waters Alliance System, 2695 Separations Module with 2996 PDA | 
| Time(min) | Profile | ||
|---|---|---|---|
| %A | %B | %C | |
| 0.0 | 0 | 95 | 5 | 
| 5.0 | 25 | 7 | 5 | 
 
            
        WA64073, August 2009