Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 45: Issue 5
Thermoanalytical study of the pesticide 3-amino-1,2,4-triazole
Authors:
P. Sánchez-Soto Universidad de Sevilla Instituto de Ciencia de Materiales, Centro Mixto Consejo Superior de Investigaciones Científicas Apdo. 1115 41080 Sevilla Spain

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E. Morillo Consejo Superior de Investigaciones Científicas Instituto de Recursos Naturales y Agrobiología Apdo. 1052 41080 Sevilla Spain

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J. Pérez-Rodríguez Universidad de Sevilla Instituto de Ciencia de Materiales, Centro Mixto Consejo Superior de Investigaciones Científicas Apdo. 1115 41080 Sevilla Spain

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C. Real Universidad de Sevilla Instituto de Ciencia de Materiales, Centro Mixto Consejo Superior de Investigaciones Científicas Apdo. 1115 41080 Sevilla Spain

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Pages:
1189–1197
Online Publication Date:
09 Jan 2007
Publication Date:
01 Nov 1995
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf02547493
Keywords:
DTA-TG; EGA-MS; kinetic; pesticides
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Abstract  

Thermoanalytical study of the pesticide 3-amino-1,2,4-triazole (ATA) has been carried out, using simultaneous DTA-TG in nitrogen flow, in order to know its thermal behaviour and stability. These techniques have been further complemented using evolved gas analysis and mass spectroscopy (EGA-MS). Two different stages of ATA decomposition were observed: after the first decomposition step, a mixture of compounds is obtained, according to MS data, being the principal component a compound of molecular weight 126. It is formed by a first order reaction mechanism, according to the kinetic study, withEa=124±8 kJ·mol−1. The second decomposition step takes place about 735°C, with evolution of HCN and NH3, being the final weight loss 96%.

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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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