Abstract

In order to clarify the adsorbability of structural isomers, the Freundlich's adsorption constants of the isomers of butanol and pentanol were determined and correlated with various physical constants such as solubility in water, boiling point, and some topological indexes characterizing the molecular connectivity or branching. A good linear relationship is obtained between the adsorption constant and the connectivity index. If the adsorption data of several normal compounds for a given activated carbon are obtained, the adsorption isotherms of the isomers can be predicted from the molecular connectivity alone.

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