This is an Application Brief and does not contain a detailed Experimental section.
This application brief highlights the analysis of Pseudoephedrine HCL and Codeine using Symmetry Shield Columns.
The compounds analyzed in this study are:
            
        | 
                     Column:  | 
                     SymmetryShield RP8, 3.9 x 150 mm, 5 μm  | 
            
| 
                     Part number:  | 
                     WAT200655  | 
            
| 
                     Mobile phase A:  | 
                     50 mM potassium phosphate, pH 7  | 
            
| 
                     Mobile phase B:  | 
                     Acetonitrile  | 
            
| 
                     Flow rate:  | 
                     1.0 mL/min  | 
            
| 
                     Injection volume:  | 
                     5 μL of 2 mg/mL pseudoephedrine and 0.2 mg/mL codeine  | 
            
| 
                     Detection:  | 
                     UV @ 2541 nm  | 
            
            
        
            
        WA31763.139, June 2003