This is an Application Brief and does not contain a detailed Experimental section.
This application brief demonstrates the gradient separation of nutrients on ACQUITY UPLC BEH HILIC Columns.
The compounds used in this study are:
            
        | 
                     Column:  | 
                     ACQUITY UPLC BEH HILIC, 2.1 x 50 mm, 1.7 μm  | 
            
| 
                     Part Number:  | 
                     186003460  | 
            
| 
                     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:  | 
                     1.235 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  | 
            
| 
                     Sample Temperature:  | 
                     15 °C  | 
            
| 
                     Detection:  | 
                     UV @ 268 nm  | 
            
| 
                     Sampling Rate:  | 
                     40 points/sec  | 
            
| 
                     Time Constant:  | 
                     0.1  | 
            
| 
                     Weak Needle Wash:  | 
                     ACN/H2O 95/5  | 
            
| 
                     Instrument:  | 
                     Waters ACQUITY UPLC with ACQUITY PDA  | 
            
| 
                     Time(min)  | 
                     Profile  | 
            |
|---|---|---|
| 
                     %A  | 
                     %B  | 
            |
| 
                     0.00  | 
                     0.1  | 
                     99.9  | 
            
| 
                     0.51  | 
                     0.1  | 
                     99.9  | 
            
| 
                     2.11  | 
                     99.9  | 
                     0.1  | 
            
| 
                     2.19  | 
                     0.1  | 
                     99.9  | 
            
| 
                     2.91  | 
                     0.1  | 
                     99.9  | 
            
            
        WA60131, August 2009