A. Zhukov, S. V. Chizhevskaya, Pyae Phyo
Jun 22, 2017
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Journal
Inorganic Materials
Abstract
We have studied general kinetic aspects of the heterophase conversion of single-phase potassium hexafluorozirconate into zirconium hydroxide by potassium hydroxide solutions, related to the influence of the alkali concentration, the alkali-to-K2ZrF6 molar ratio, and temperature. The synthesized crystal-like X-ray amorphous zirconium hydroxide is an anamorphosis of potassium hexafluorozirconate. Heat treatment of the hydroxide at a relatively low temperature leads to the formation of nanostructured metastable tetragonal zirconium dioxide.