Synthesis of CeO2-ZrO2 hydrosols via peptization at room temperature |
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| Authors: | N. N. Gavrilova V. V. Nazarov |
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| Affiliation: | 1.Mendeleev University of Chemical Technology,Moscow,Russia |
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| Abstract: | A procedure is developed for the synthesis of concentrated CeO2-ZrO2 hydrosols based on the peptization of a precipitate obtained by the hydrolysis of a cerium nitrate-zirconium oxynitrate mixture. The time intervals and optimum [H+]/[Me n+] molar ratios giving rise the formation of CeO2-ZrO2 hydrosols stable to aggregation with a narrow particle size distribution are established. The size, shape, density, and phase composition of the hydrosol particles are determined. |
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