This is an Application Brief and does not contain a detailed Experimental section.
This application brief demonstrates fractionation of acidic and neutral from basic drugs in plasma.
The compounds used in this study are -
 
            
        | Column: | Symmetry Shield RP8, 4.6 x 75 mm, 3.5 μm | 
| Guard column: | Symmetry Shield RP8, 3.9 x 20 mm, 3.5 μm | 
| Part numbers: | Column WAT094263, Guard 186000704 | 
| Mobile phase: | 5% CH3OH/95% 20 mM K2HPO4/KH2PO4, pH 7 | 
| Flow rate: | 2 mL/min | 
| Temperature: | 36 °C | 
| Injection: | 10 μL plasma extract | 
| Detection: | UV @ 214 nm (0.010 AUFS) | 
 
            
         
            
         
            
        WA31764.87, June 2003