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  • 1 Universidade Federal da Paraíba Departmento de Química Campus I Joăo Pessoa PB Brazil
  • | 2 Universidade Federal do Rio Grande do Norte Departamento de Química Natal RN Brazil
  • | 3 Universidade Federal de Campina Grande Centro de Formaçăo de Professores Cajazeiras PB Brazil
  • | 4 Universidade Salvador Departamento de Engenharia Qímica e Arquitetura Salvador BA Brazil
  • | 5 Budapest University of Technical and Economics Research Group of Technical Analytical Chemistry of Hungarian Academy of Sciences Szt. Gellert ter 4 1111 Budapest Hungary
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Abstract  

The biodiesel obtained by transesterification by reaction between ester and an alcohol in the presence of catalyst. The purpose of this work is to evaluate the thermal and kinetic behavior of the methanol biodiesel derived from cotton oil. The quality analysis was done by gas chromatography and proton nuclear magnetic resonance spectrometry (1H NMR) in order to examine if the product meets with the requirements of the European Standard EN 1403. The thermogravimetric profile of the cotton biodiesel indicated that the decomposition steps are associated to the volatilization and/or decomposition of the methyl esters. Kinetic data was also obtained by thermal analysis.

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