Abstract
Isotherms of adsorption-desorption of tetrachloromethane vapors by mesoporous aluminophosphate precipitated with the cetylpyridinium template from an alumina sol deanionized by ion-exchange are measured. As the concentration of the cetylpyridinium template varies from 0.045 to 1.8 wt %, the aluminophosphate samples are shown to have a bi-or unimodal distribution of the volume of mesopores with respect to their radius depending on the conditions of the sol-gel transition. The values of the predominant radii of mesopores amount to less than 4–10 nm and to 7–13 nm for the bimodal distribution and to 9–14 nm for the unimodal distribution.
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Original Russian Text © T.F. Kuznetsova, A.I. Ratĭko, O.A. Kudina, 2006, published in Kolloidnyi Zhurnal, 2006, Vol. 68, No. 2, pp. 219–225.
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Kuznetsova, T.F., Rat’ko, A.I. & Kudina, O.A. The adsorption properties of aluminophosphates prepared by the template method from deanionized alumina sol. Colloid J 68, 194–200 (2006). https://doi.org/10.1134/S1061933X06020116
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DOI: https://doi.org/10.1134/S1061933X06020116