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Kinetic studies in solid state reactions by sample-controlled methods and advanced analysis procedures

Opened Access Kinetic studies in solid state reactions by sample-controlled methods and advanced analysis procedures

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Autor: Pérez Maqueda, Luis Allan
Criado Luque, José Manuel
Sánchez Jiménez, Pedro Enrique
Perejón Pazo, Antonio
Fecha: 2013
Publicado en: Journal of Thermal Analysis and Calorimetry, 113, 1447-1453.
Tipo de documento: Artículo
Resumen: A comparative study of both conventional rising temperature and sample-controlled methods, like constant rate thermal analysis (CRTA), is carried out after analyzing a set of solid state reactions using both methods. It is shown that CRTA avoids the influence of heat and mass transfer phenomena for a wide range of sample sizes leading to reliable kinetic parameters. On the other hand, conventional rising temperature methods yield α–T plots dependent on experimental conditions, even when using samples sizes smaller than 2 mg. Moreover, it is shown that the discrimination of overlapping processes is dramatically improved using sample-controlled methods instead of conventional heating procedures. An advanced method for performing the kinetic analysis of complex processes from a single CRTA experiment is proposed.
Cita: Pérez Maqueda, L.A., Criado Luque, J.M., Sánchez Jiménez, P.E. y Perejón Pazo, A. (2013). Kinetic studies in solid state reactions by sample-controlled methods and advanced analysis procedures. Journal of Thermal Analysis and Calorimetry, 113, 1447-1453.
Tamaño: 1.181Mb
Formato: PDF

URI: https://hdl.handle.net/11441/70647

DOI: 10.1007/s10973-013-3114-3

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