[Novobiocin adsorption on active charcoal]

Adsorption of novobiocin from organic solutions with active carbons A and B was studied. It was found that the adsorption level depended on the nature of the organic solvent and markedly increased when active carbon A was replaced by active carbon B. Active carbon A was used for purification of the novobiocin acetone extracts from the admixtures. It was shown that the adsorption level of sodium novobiocin from water-acetone solutions was defined by the binary medium composition.