This is an Application Brief and does not contain a detailed Experimental section.
This application brief demonstrates analysis of vitamins- water-soluble folic acid mixture.
The compounds used in this study are –
| 
                     Compounds  | 
                     USP Tailing Factors  | 
            
|---|---|
| 
                     Nicergoline  | 
                     1.6  | 
            
| 
                     Folic Acid  | 
                     1.4  | 
            
| 
                     Riboflavin  | 
                     1.2  | 
            
| 
                     Thiamine Hydrochloride  | 
                     1.2  | 
            
            
        
            
        | 
                     Column:  | 
                     Symmetry C18, 3.9 x 150 mm, 5 μm  | 
            
| 
                     Part numbers:  | 
                     Column - WAT046980, PIC B6 - WAT085140  | 
            
| 
                     Mobile phase:  | 
                     20 mM PIC B6 (hexane sulfonic acid) and 0.1% phosphoric acid, pH 2.2/methanol 75:25  | 
            
| 
                     Flow rate:  | 
                     0.7 mL/min  | 
            
| 
                     Injection volume:  | 
                     10 μL of mixture with 0.02 to 0.17 mg/mL  | 
            
| 
                     Temperature:  | 
                     40 °C  | 
            
| 
                     Detection:  | 
                     UV @ 280 nm  | 
            
            
        WA31763.181, June 2003