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Thermal decomposition features of ammonium nitrate and its boron mixture under high pressures

✍ Scribed by V. A. Koroban; Yu. N. Burtsev; F. R. Alimov; A. D. Haustov; V. A. Dubovik; V. A. Teselkin

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
406 KB
Volume
19
Category
Article
ISSN
0721-3115

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✦ Synopsis

Abstract

The kinetics of ammonium nitrate thermal decomposition was studied by the differential thermal analysis in the pressure range from atmospheric to 1.0 GPa. The decomposition under pressure was shown to obey the zero‐order equation with a constant proportional to the initial HNO~3~ concentration in the sample. The structural transitions in ammonium nitrate were found to affect its exothermic interaction with boron. The mechanism of this phenomenon was interpreted. The experimental data allowed to establish volume changes on melting ammonium nitrate, equal to 0.072 cm^3^/g.

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✍ Dilip G. Patil; Sampat R. Jain; Thomas B. Brill πŸ“‚ Article πŸ“… 1992 πŸ› John Wiley and Sons 🌐 English βš– 726 KB

## Abstract Fast thermolysis studies of ammonium nitrate (AN) and its mixtures with magnesium and activated charcoal have been carried out by the Fourier transform infrared spectroscopy/temperature profiling technique. When subjected to rapid heating (ca. 80Β°C/s), AN Sublimes/decomposes around 300Β°