Vitamin stability in oral multivitamin preparations
β Scribed by Stone, George B.
- Publisher
- Elsevier
- Year
- 1950
- Weight
- 312 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0095-9553
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π SIMILAR VOLUMES
A spectrophotometric procedure has been developed for rapid and fairly accurate determination of vitamin BE in B complex and multivitamin preparations. Vitamin BE is determined by the measurement of difference in absorbance value (AA) in different solvents at 328 mp. HE PRESENT official U.S.P. meth
06 50.0 mg L β«1Χβ¬ (calibration graph: A β«Χ‘β¬ β«2310.0Χβ¬ β«Χβ¬ 0.0134 C, r β«Χ‘β¬ 0.9990, where A is the absorbance and C is the vitamin B 1 concentration in mg L β«1Χβ¬ ). Sucrose, glucose, fructose, lactose, citric acid, starch, vitamin B 2 , and vitamin B 6 do not interfere, even in concentrations five tim