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Materials based on aluminum and iron oxides obtained by the hydrothermal method |
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| Authors: | |
| Affiliation: | 1.Institute of Chemistry, Komi Scientific Center, Ural Branch,Russian Academy of Sciences,Syktyvkar, Komi,Russia;2.Grebenshchikov Institute of Chemistry of Silicates,Russian Academy of Sciences,St. Petersburg,Russia |
| Abstract: | The influence of the relation Al3+] : Fe3+] on the phase composition and morphology of the products obtained by the hydrothermal method using solutions of salts of metals and combined sols of aluminum and iron (3+) hydroxides has been studied. The hydrothermal treatment of solutions of salts of aluminum and iron (3+) results in the formation of hematite of a cylindrical or capsular shape, while by the treatment of sols, depending on the relation Al3+] : Fe3+], it is possible to obtain particles of hematite with an ellipsoidal shape or bundles of amorphous AlOOH. |
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