Interfacial properties of antimicrobial
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Norman D. Weiner; George Zografi
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Article
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1965
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John Wiley and Sons
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English
⚖ 620 KB
A rapid and accurate AA spectrophototnetric method has been devised for assaying vitamin Bg in B complex and multivitamin preparations. Solutions containing 10 mcg./ml. or 5 mcg./ml. of vitamin Ba are prepared in glycerinated 0.1 N HC1 and phosphate buffer a t pH 7, and the absorbance is read a t 32