Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 75: Issue 2
Kinetics of decomposition of alkylammonium salts
Authors:
H. Ouriques Universidade Federal da Paraíba Departamento de Química, CCEN 58059-900 Joăo Pessoa Paraíba Brazil 58059-900 Joăo Pessoa Paraíba Brazil

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M. Trindade Universidade Federal da Paraíba Departamento de Química, CCEN 58059-900 Joăo Pessoa Paraíba Brazil 58059-900 Joăo Pessoa Paraíba Brazil

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M. Conceiçăo Universidade Federal da Paraíba Departamento de Química, CCEN 58059-900 Joăo Pessoa Paraíba Brazil 58059-900 Joăo Pessoa Paraíba Brazil

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S Prasad Universidade Federal de Campina Grande Departamento Engenharia Química, CCT 58109-970 Campina Grande PB Brazil E-mail 58109-970 Campina Grande PB Brazil E-mail

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P. Filho Universidade Federal da Paraíba Brazil 3Departamento Cięncias Básicas Sociais, Campus IV Bananeiras PB Brazil Bananeiras PB Brazil

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A. Souza Universidade Federal da Paraíba Departamento de Química, CCEN 58059-900 Joăo Pessoa Paraíba Brazil 58059-900 Joăo Pessoa Paraíba Brazil

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Pages:
569–576
Online Publication Date:
02 Nov 2004
Publication Date:
01 Feb 2004
Article Category:
Research Article
DOI:
https://doi.org/10.1023/b:jtan.0000027147.33054.8b
Keywords:
dialkylammonium chlorides; thermal decomposition; kinetic
Restricted access

Abstract  

The thermogravimetric curves of di-n-propylammonium, di-iso-propylammonium, di-n-butylammonium and di-iso-butylammonium chlorides showed similar profiles, characterized by mass loss in only one stage, corresponding to decomposition of compounds. The following thermal stability order was obtained: [Bu2nNH2]Cl>[Pr2nNH2]Cl>[Pr2iNH2]Cl>[Bu2iNH2]Cl. The values of activation energy for non-isothermal data obtained by Ozawa and Coats-Redfern integral methods were in agreement and stability order obtained by thermogravimetry were reproduced in both methods. The decomposition reactions of [Pr2nNH2]Cl, [Pr2iNH2]Cl and [Bu2iNH2]Cl were better described by A3 model and [Bu2nNH2]Cl by A2 model.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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