Purification of Folic Acid
- 30 January 1959
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 129 (3344) , 274-275
- https://doi.org/10.1126/science.129.3344.274
Abstract
Various purification procedures for folic acid were investigated. The criteria of purity were a negative Bratton-Marshall test and the absence of fluorescent spots on paper chromatograms. Since no method provided a pure product, a procedure consisting of cellulose column chromatography followed by filtration through charcoal was developed.Keywords
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