This is an Application Brief and does not contain a detailed Experimental section.
This application note demonstrates the gradient separation of nutrients on XBridge HILIC.
The compounds used in this study are:
            
        | 
                     Column:  | 
                     XBridge HILIC, 2.1 x 50 mm, 3.5 μm  | 
            
| 
                     Part Number:  | 
                     186004432  | 
            
| 
                     Mobile Phase A:  | 
                     10 mM NH4COOH in H2O, 0.125% HCOOH in 50:50 ACN:H2O  | 
            
| 
                     Mobile Phase B:  | 
                     10 mM NH4COOH in H2O, 0.125% HCOOH in 90:10 ACN:H2O  | 
            
| 
                     Flow Rate:  | 
                     0.6 mL/min  | 
            
| 
                     Injection Volume:  | 
                     5 μL  | 
            
| 
                     Sample Concentration:  | 
                     25 μg/mL each  | 
            
| 
                     Sample Diluent:  | 
                     75:25 ACN:MeOH with 0.2% HCOOH  | 
            
| 
                     Column Temperature:  | 
                     30 °C  | 
            
| 
                     Detection:  | 
                     UV @ 268 nm  | 
            
| 
                     Sampling Rate:  | 
                     40 points/sec  | 
            
| 
                     Filter Time Constant:  | 
                     0.1  | 
            
| 
                     Instrument:  | 
                     Waters ACQUITY UPLC with ACQUITY PDA  | 
            
            
        
            
        WA64075, August 2009