Liquid chromatographic determination of folic acid in multivitamin preparations
โ Scribed by C. Paveenbampen; D. Lamontanaro; J. Moody; J. Zarembo; C. Rehm
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 301 KB
- Volume
- 75
- Category
- Article
- ISSN
- 0022-3549
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A simple method for the direct determination of niacinamide in pharmaceutical preparations is described. T h e method involves the reaction of niacinamide in potassium dihydrogen phosphate with cyanogen bromide and barbituric acid. The resulting purple color has a maximum absorbance at 5 5 0 mp. Nia
## Abstract An adsorptive stripping voltammetric (AdSV) procedure is proposed for determination of folic acid (FA) in cores and coated pellets of Hemofer (FA/iron tablet). The adsorptive stripping response was evaluated with respect to the electrolyte solution, the accumulation time and potential,