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Transactions of the INDIAN CERAMIC SOCIETY   Vol. 68  2009
A New Method for the Analysis of Non-Isothermal Thermo-Analytical Data from Solid State Reaction
S. Maitra*, A. K. Bandyopadhyay**, N. Bandyopadhyay** and J. Pramanik**
Pages : 151-155
DOI : 10.1080/0371750X.2009.11082169
Abstract
The existing methods for the determination of kinetic parameters of solid state reactions from non-isothermal thermoanalytical data suffer from some limitations due to inexact solution of the Arrhenius temperature integral and non-consideration of the temperature dependence of pre-exponential factor. In the present paper a new method was developed for the evaluation of kinetic parameters of solid state reactions using Gaussís quardature rule with Radau integration with a computer programme. The method was applied to determine the kinetic parameters for the decomposition reactions of MgCO3 and CaCO3 from non-isothermal thermogravimetric study.
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