A New Method for the Analysis of Non-Isothermal Thermo-Analytical Data from Solid State Reaction

被引：1

作者：

Maitra, S. ^{[1
]}

Bandyopadhyay, A. K. ^{[1
]}

Bandyopadhyay, N. ^{[1
]}

Pramanik, J. ^{[1
]}

机构：

[1] Univ Teknol Petronas, Dept Chem Engn, Tronoh 31750, Malaysia

来源：

TRANSACTIONS OF THE INDIAN CERAMIC SOCIETY | 2009年 / 68卷 / 03期

关键词：

Non-isothermal; Solid state reaction; Gauss's quardature; Radau integration; Thermogravimetry; CaCO3; MgCO3; ALKALINE-EARTH CARBONATES; THERMAL-DECOMPOSITION; KINETIC-ANALYSIS; INTEGRAL METHOD; APPROXIMATIONS;

D O I：

10.1080/0371750X.2009.11082169

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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 Gauss's 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.

引用

页码：151 / 155

页数：5

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