Thermal dissociation kinetics of solid and liquid ammonium nitrate

http://dx.doi.org/10.1021/cm000708c
Update Item Information
Publication Type abstract
School or College College of Science
Department Chemistry
Program C-SAFE, Center for the Simulation of Accidental Fires and Explosions
Creator Wight, Charles Albert
Other Author Vyazovkin, Sergey; Clawson, Jacalyn S.
Title Thermal dissociation kinetics of solid and liquid ammonium nitrate
Date 2001
Description Thermogravimetry has been used to study the kinetics of the thermal dissociation of solid and liquid ammonium nitrate. Model-fitting and model-free kinetic methods have been applied to the sets of isothermal and nonisothermal measurements to derive kinetic characteristics of the processes. The application of the model-fitting method to the isothermal data has demonstrated that both solid- and liquid-phase kinetics are characterized by a single activation energy of 90 kJ mol-1 and by the model of a contracting cylinder. A model-free isoconversional method has also been applied to isothermal and nonisothermal data and has yielded an activation energy of 90 kJ mol-1, which is essentially independent of the extent of conversion. The obtained kinetic characteristics have been assigned to the process of dissociative sublimation/vaporization.
Type Text
Publisher American Chemical Society
Subject Thermal dissociation kinetics
Subject LCSH Thermogravimetry; Decomposition (Chemistry); Chemical kinetics; Ammonium nitrate
Language eng
Bibliographic Citation Vyazovkin, S., Clawson, J. S., & Wight, C. A. (2001). Thermal dissociation kinetics of solid and liquid ammonium nitrate. Chemistry of Materials, 13(3), 960-6.
Rights Management (c)American Chemical Society http://dx.doi.org/10.1021/cm000708c
Format Medium application/pdf
Identifier ir-main, 7046
ARK ark:/87278/s67h23bb
Setname ir_uspace
ID 707982
Reference URL https://collections.lib.utah.edu/ark:/87278/s67h23bb