A New Method of Synthesis of Nanosized Boehmite (AlOOH) Powders with a Low Impurity Content |
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| Authors: | G N Panasyuk E A Semenov I V Kozerozhets L A Azarova V N Belan M N Danchevskaya G E Nikifirova I L Voroshilov S A Pershikov |
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| Institution: | 1.Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences,Moscow,Russia;2.Moscow State University,Moscow,Russia;3.Moscow Polytechnic University,Moscow,Russia |
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| Abstract: | A new method of synthesis of nanosized aluminum oxyhydroxide (AlOOH, boehmite) powders has been suggested through a hydrothermal treatment of nanosized γ-Al2O3 powder in water and a 1.5 wt % HCl solution at different temperatures. It has been found that hydrothermal treatment in a 1.5 wt % HCl solution leads to the purification of the starting material; different treatment durations allow one to obtain boehmite particles of different shape. It has been demonstrated that a nanosized boehmite powder is obtained upon the hydrothermal treatment of a nanosized γ-Al2O3 in water above 80°С. The nanosized boehmite powders synthesized at different temperatures have been studied by various methods. |
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