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Thermoanalytical study of the pesticide 3-amino-1,2,4-triazole

AuthorsSánchez-Soto, Pedro José ; Morillo González, Esmeralda ; Pérez-Rodríguez, José Luis ; Real, Concepción
Issue Date1995
PublisherAkadémiai Kiadó (Budapest)
CitationJournal of Thermal Analysis and Calorimetry 45(5): 1189-1197 (1995)
AbstractThermoanalytical 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, with E a=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%.
Identifiersdoi: 10.1007/BF02547493
issn: 1388-6150
e-issn: 1572-8943
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