 
            
        This is an Application Brief and does not contain a detailed Experimental section.
This application brief highlights the analysis of pharmaceutical residues in environmental samples using XTerra MS C18 columns.
Compounds used in this study are: 1. Acetaminophen 2. Phenylpropanolamine 3. Salicylic acid 4. Diphenhydramine 5. Clofibric acid 6. Ethynylestradiol 7. Tamoxifen 8. Ibuprofen
 
            
        | Column: | XTerra MS C18 4.6 x 100 mm, 3.5μm (p/n: 186000436) | 
| Mobile phase A: | 15 mM NH4COOH, pH 4.0 | 
| Mobile phase B: | MeOH | 
| Flow rate: | 1.0 mL/min | 
| Injection volume: | 40 μL | 
| Detection: | UV @ 230 nm | 
| Instrument: | Alliance 2695, 2996 PDA | 
 
            
         
            
         
            
        WA20738.085, June 2002