This is an Application Brief and does not contain a detailed Experimental section.
This application brief highlights the analysis of GHB and GBL in human urine using XTerra MS C18 Columns.
The compounds analyzed in this study are:
            
        | 
                     Column:  | 
                     XTerra MS C18 2.1 x 250 mm, 5 µm  | 
            
| 
                     Part number:  | 
                     186000458  | 
            
| 
                     Mobile phase A:  | 
                     0.1% HCOOH  | 
            
| 
                     Mobile phase B:  | 
                     MeOH  | 
            
| 
                     Isocratic mobile phase composition:  | 
                     90%A; 10%B  | 
            
| 
                     Flow rate:  | 
                     0.2 mL/min  | 
            
| 
                     Injection volume:  | 
                     10 µl  | 
            
| 
                     Detection:  | 
                     MS ESI+  | 
            
| 
                     Instrument:  | 
                     Alliance 2695, Micromass ZQ  | 
            
            
        
            
        WA20738.060, June 2002