This is an Application Brief and does not contain a detailed Experimental section.
This application brief demonstrates the analysis of doxepin in serum using Symmetry Columns.
The compounds analyzed in this study are:
            
        | 
                     Column:  | 
                     Symmetry Shield RP8, 3.9 x 150 mm, 5 µm  | 
            
| 
                     Guard Column:  | 
                     Symmetry Guard Column, 3.9 x 20 mm, 5 µm  | 
            
| 
                     Part numbers:  | 
                     Column - WAT200655, Guard - WAT200675  | 
            
| 
                     Mobile phase:  | 
                     20 mM potassium phosphate, pH 7/methanol 38:62  | 
            
| 
                     Flow rate:  | 
                     1.0 mL/min  | 
            
| 
                     Injection volume:  | 
                     20 µL of reconstituted porcine serum extract  | 
            
| 
                     Temperature:  | 
                     30 °C  | 
            
| 
                     Detection:  | 
                     UV @ 254 nm  | 
            
            
        
            
        
            
        WA31763.79, June 2003