Hydrolysis of titanium(IV) in the TiO2-SiO2-H2SO4-H2O system during the preparation of a titanium silicate pigment |
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| Authors: | L. G. Gerasimova R. F. Okhrimenko M. V. Maslova |
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| Affiliation: | (1) Institute of Rare Element and Mineral Chemistry and Technology, Kola Research Center, Russian Academy of Sciences, ul. Fersmana 14, Apatity, Murmansk oblast, 184200, Russia |
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| Abstract: | The hydrolysis of titanium(IV) sulfate during boiling in the presence of silica gel particles is considered. The scenario of solid-phase formation involves the sedimentation of hydrated titanium(IV) onto reactive silica gel particles; and individual phases of silicon(IV) and titanium(IV) hydroxides are formed. The quantitative ratio between the phases of the hydrated composition dictates the properties of its thermolysis products. Composition-property diagrams are plotted to determine the optimum parameters at which the titanium silicate product has high pigment properties. |
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