 
            
        This is an Application Brief and does not contain a detailed Experimental section.
This application brief highlights the analysis of acetaminophen and codeine using Symmetry C8 columns.
Compounds analyzed in this study are:
1. Acetaminophen
2. Codeine
 
            
        | Column: | Symmetry C8, 3.9 x 150 mm, 5 μm (p/n: WAT046970) | 
| Mobile phase: | 10 mM docusate sodium in methanol/water/THF/phosphoric acid 60:36:4:1 | 
| Flow rate: | 0.75 mL/min | 
| Injection volume: | 15 μL of 55 μg/mL acetaminophen and 35 μg of codeine sample | 
| Detection: | UV @ 254 nm | 
1. 1.09
2. 1.04 
 
            
        WA31763.11, June 2003