Combined assays for vitamins A, D (ergoc
โ
John W. Strong
๐
Article
๐
1976
๐
John Wiley and Sons
๐
English
โ 820 KB
A rapid method was developed whereby vitamins A, D (ergocalciferol), and E in multivitamin products are measured in a common assay sample. The method depends on reversed-phase partition chromatography by which the vitamin alcohols are eluted in separate fractions from a column. Vitamins A and E are