Mechanism and kinetics of thermal decomposition of nickel(II) sulfate(VI) hexahydrate |
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Authors: | E Tomaszewicz M Kotfica |
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Institution: | (1) Institute of Chemistry and Environment Protection al. Piastów 42, Technical University of Szczecin, 71-065 Szczecin, Poland |
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Abstract: | This work presents results of research on thermal decomposition of nickel(II) sulfate(VI) hexahydrate in air and in helium
atmosphere. On the base of TG and XRD results a mechanism of thermal decomposition of NiSO4 hydrate was established. For calculations of kinetic parameters of the Arrhenius equation, the Coats-Redfern approximation
was applied. Choice of g(a) function and thus of a mechanism best describing given stage of decomposition was performed by
testing 12 kinetic models.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | Coats-Redfern's approximation kinetics of thermal decomposition nickel(II) sulfate(VI) hydrates |
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