Potency of commercial vitamins
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J.S.H.
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Article
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1924
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Elsevier Science
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English
โ 62 KB
Chem. Soc., r923, 45, 2958) recommends an aqueous solution of chrome alum as a light filter in qualitative analysis. A solution of 3Io grams of chrome alum in one litre of water is prepared with the aid of heat, is cooled to room temperature, and filtered. Square prismatic bottles, Having a lateral