This is an Application Brief and does not contain a detailed Experimental section.
This application highlights the analysis of Histidine Dipeptides on ACQUITY UPLC BEH Amide Columns.
The compounds used in this study are:
            
        | 
                     Column:  | 
                     ACQUITY UPLC BEH HILIC, 2.1 x 50 mm, 1.7 μm  | 
            |
| 
                     Part Number:  | 
                     186004800  | 
            |
| 
                     Mobile Phase A:  | 
                     50/50 MeCN/H2O with 10 mM CH3COONH4 and 0.04 % NH4OH, pH 9.0  | 
            |
| 
                     Mobile Phase B:  | 
                     95/5 MeCN/H2O with 10 mM CH3COONH4 and 0.04 % NH4OH, pH 9.0  | 
            |
| 
                     Flow Rate:  | 
                     0.5 mL/min  | 
|
| 
                     Injection Volume:  | 
                     5 μL  | 
            |
| 
                     Sample Diluent:  | 
                     75/25 MeCN/MeOH  | 
            |
| 
                     Column Temperature:  | 
                     30 °C  | 
            |
| 
                     Weak Needle Wash:  | 
                     95/5 MeCN/H2O  | 
            |
| 
                     Instrument:  | 
                     Waters ACQUITY UPLC with ACQUITY SQD  | 
            
            
        
            
        WA60103, July 2009