Abstract
Adsorption of molecules of n-alkanes, aromatic hydrocarbons, alcohols and ketones on the hydroxylated surface of S-80, S-120, and SX-3 silochromes was studied by gas chromatography in the temperature range 80–200°C. The retention volumes and initial differential heats of adsorption were calculated. The contribution of the specific interaction of aromatic compounds with the silica surface in the course of adsorption was evaluated. The properties of the surfaces of the silicas under study were compared on the basis of the chromatographic data.
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