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  • 1 Technological University Department of Inorganic Chemistry 1756 Sofia Bulgaria 1756 Sofia Bulgaria
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Abstract  

Methods of DTA, TG, X-ray phase analysis and IR spectroscopy were used to study the thermal dehydration and decomposition of Ni2+ and Zn2+ peroxotitanates to the corresponding metatitanates. The course of the process was established and the intermediate phases were identified. The information obtained was utilized to determine the optimum temperatures of heating the initial peroxotitanates for conversion to metatitanates with a fairly high degree of crystallinity (for ZnTiO3 the optimum temperature is 600C, while for NiTiO3 it is 550C).

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