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|Title:||Preparation of a Thermally Sensitive Ammonium Perchlorate|
|Citation:||Oommen, C.,Apitha, A.R.,Sashikumar, T.N.,Raghunandan, B.N.,Ghee, A.H. (2003). Preparation of a Thermally Sensitive Ammonium Perchlorate. Proceedings of the 2003 International Autumn Seminar on Propellants, Explosives and Pyrotechnics (2003 IASPEP) - Theory and Practice of Energetic Materials 5 : 38-42. ScholarBank@NUS Repository.|
|Abstract:||The effect of ultrasound on the thermal decomposition behaviour of ammonium perchlorate (AP) has been investigated. It was observed that significant changes in the thermal behaviour of AP, followed using differential thermal analysis and thermo-gravimetry, was observed when AP was subjected to power ultrasound in water saturated with oxygen-nitrogen mixture. The decomposition temperature of AP was found to have been lowered by nearly 25°C. A similar thermal sensitization was observed in AP when subjected to sonication in the presence of transition metal oxides. Kinetic parameters were calculated for AP, modified AP and catalyzed AP decomposition using non-isothermal kinetics. The activation energy for the decomposition of the sonicated AP samples were found to be lower than normal AP.|
|Source Title:||Proceedings of the 2003 International Autumn Seminar on Propellants, Explosives and Pyrotechnics (2003 IASPEP) - Theory and Practice of Energetic Materials|
|Appears in Collections:||Staff Publications|
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