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Discrimination of the kinetic model of overlapping solid-state reactions from non-isothermal data

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Abstract

A method has been developed that allows the deconvolution of up to 15 overlapping solidstate reactions without previous assumptions. Both the kinetic parameters and the reaction mechanisms fitted by the unit reactions can be determined from a series of non-isothermal experiments carried out at different heating rates.

Zusammenfassung

Es wurde eine methode zur Dekonvolution von bis zu 15 einander überlappenden Festphasenreaktionen entwickelt, die keinerlei vorherige Annahmen notwendig macht. Mittels einer Reihe nichtisothermer Experimente mit unterschiedlichen Aufheizgeschwindigkeiten können sowohl die kinetischen Parameter als auch der Reaktionsmechanismus der Teilreaktionen bestimmt werden.

РЕжУМЕ

РАжРАБОтАН МЕтОД, пОж ВОльУЩИИ РАжДЕлИть пЕРЕкРыВАУЩИЕсь тВЕ РДОтЕльНыЕ РЕАкцИИ с ЧИслОМ Их ДО 15. кИНЕтИЧЕскИЕ пАРАМЕ тРы И РЕАкцИОННыИ МЕхАНИж М кАжДОИ ЕДИНИЧНОИ РЕАкцИИ МОгУт Быть Оп РЕДЕлЕНы НА ОсНОВЕ Рь ДА НЕИжОтЕРМИЧЕскИх Иж МЕРЕНИИ пРОВЕДЕННых пРИ РАжлИЧНых скОРОстьх НАгРЕВА.

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Authors and Affiliations

  1. Instituto de Ciencias de Materiales de Sevilla, Centro Coordinado del C.S.I.C. Y DPTO. de Química Inorgánica de la Facultad de Química, Universidad de Sevilla, Spain

    J. M. Criado, M. González, A. Ortega & C. Real

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  1. J. M. Criado
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  2. M. González
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  3. A. Ortega
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  4. C. Real
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Criado, J.M., González, M., Ortega, A. et al. Discrimination of the kinetic model of overlapping solid-state reactions from non-isothermal data. Journal of Thermal Analysis 34, 1387–1396 (1988). https://doi.org/10.1007/BF01914362

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  • DOI: https://doi.org/10.1007/BF01914362

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