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Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 44: Issue 2
DOI:
https://doi.org/10.1007/bf02636127
Authors:
J. Zachara
and
W. Wiśniewski

Abstract  

The thermal decompositions of anhydrous fluorosilicates M2SiF6 (M=Li, Na, K, Rb, Cs) and MSiF6 (M=Ca, Sr, Ba) were investigated. The decompositions proceeded according to a simple acid-base mechanism with evolution of SiF4. The influence of the cationic counter-ion acidity (expressed by means of the electronegativity force) on the course of thermal decomposition was estimated quantitatively.

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Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 44: Issue 4
DOI:
https://doi.org/10.1007/bf02547276
Authors:
J. Zachara
and
W. Wišniewski

Abstract  

The thermal decomposition of anhydrous fluoroborates MBF4 (M=Li, Na, K, Rb, Cs) and M(BF4)2 (M=Ca, Sr, Ba) was investigated. The decomposition proceeds according to a simple acid-base mechanism with evolution of BF3. The influence of the acidity of cationic counterions, expressed by the electronegativity force on the course of thermal decomposition was estimated quantitatively.

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