Thermal decomposition of cerium(III) perchlorate


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Abstract

Thermal decomposition of Ce(ClO4)3 • 9H2O and Ce(ClO4)3 to give cerium(IV) dioxide in the temperature range 240–460°C was studied by DSC–TGA, X-ray powder diffraction, IR and mass spectroscopy. The thermolysis of these salts was shown to proceed through the stage of formation of intermediate product supposedly cerium oxoperchlorate. The thermal decomposition of cerium(III) perchlorate hydrate at 460°C leads to formation of nanocrystalline cerium dioxide with particle size of 13 nm.

About the authors

L. S. Skogareva

Kurnakov Institute of General and Inorganic Chemistry

Author for correspondence.
Email: skog@igic.ras.ru
Russian Federation, Leninskii pr. 31, Moscow, 119991

A. E. Baranchikov

Kurnakov Institute of General and Inorganic Chemistry; Moscow State University

Email: skog@igic.ras.ru
Russian Federation, Leninskii pr. 31, Moscow, 119991; Moscow, 119991

T. O. Shekunova

Moscow State University

Email: skog@igic.ras.ru
Russian Federation, Moscow, 119991

V. K. Ivanov

Kurnakov Institute of General and Inorganic Chemistry; Tomsk State University

Email: skog@igic.ras.ru
Russian Federation, Leninskii pr. 31, Moscow, 119991; pr. Lenina 36, Tomsk, 634050

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