Journal
DEFENCE SCIENCE JOURNAL
Volume 58, Issue 6, Pages 721-727Publisher
DEFENCE SCIENTIFIC INFORMATION DOCUMENTATION CENTRE
DOI: 10.14429/dsj.58.1699
Keywords
alpha-Fe2O3 nanoparticles; ammonium perchlorate; thermal decomposition; DSC; catalysis; differential scanning calorimetry
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Funding
- ISRO
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The catalytic effect of two different sizes of alpha-Fe2O3 in electrochemical method was investigated on the thermal decomposition of ammonium perchlorate (AP) using differential scanning calorimetry as a function of catalyst concentration. The nanosized ferri c oxide particles exhibited more of a catalytic effect on the thermal decomposition of All than commercial Fe2O3 particles. A lowering of the high-temperature decomposition of AP by 59 degrees C was observed after mixing, with 2 Wt per cent of, alpha-Fe2O3,03 particles with the very fine size of 3.5 nm. The mixture produced a high heat release of 4.574 kJ/g compared to 0.834 kJ/g of pure AP. The kinetic parameters were evaluated using Kissinger method. The decrease in the activation energy and increase in rate constant confirmed the catalytic activity of these nanoparticles.
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