Abstract
It is established that the adsorbability of cinnamic acid from solutions on the surface of highly dispersed silica decreases with an increase in the polarity and electron-donor ability of a solvent. The adsorption process is considerably affected by the hydrophobization of the surface. The adsorption curve passes through a maximum when methyl groups are substituted for 40–55% of the total number of hydroxyls on the silica surface. Probable structures of adsorption complexes are suggested.
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Translated from Kolloidnyi Zhurnal, Vol. 67, No. 2, 2005, pp. 201–205.
Original Russian Text Copyright © 2005 by Pogorelyi, Barvinchenko, Pakhlov, Smirnova.
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Pogorelyi, V.K., Barvinchenko, V.N., Pakhlov, E.M. et al. The effect of solvent nature on the adsorption interaction between cinnamic acid and silicon dioxide. Colloid J 67, 172–176 (2005). https://doi.org/10.1007/s10595-005-0077-5
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DOI: https://doi.org/10.1007/s10595-005-0077-5