The correlation between isothermal and non-isothermal kinetics in thermogravimetry期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

The correlation between isothermal and non-isothermal kinetics in thermogravimetry

Authors:	V. M. Gorbatchev V. A. Logvinenko

Affiliation:	(1) Siberian Department of the Academy of Sciences, Institute of Inorganic Chemistry, Novisibirsk, USSR

Abstract:	It is shown that the total differential of the function of the amount of conversion versus temperature and time (=f(T, t)) is equal to zero non-isothermal kinetics at constant heating rate. Hence, the mathematical expression used in the literature for the rate of the non-isothermal transformation, $frac{{dalpha }}{{dt}} = left( {frac{{partial alpha }}{{partial t}}} right)_T + left( {frac{{partial alpha }}{{partial T}}} right)_t cdot frac{{dT}}{{dt}}$ , is not valid.

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