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Thermoanalytical investigation of relative reactivity of some nitrate oxidants in tin-fueled pyrotechnic systems

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Abstract

In order to investigate relative reactivity of different oxidants in solid-state reactions of pyrotechnic mixtures, thermal properties of Sn + Sr(NO3)2, Sn + Ba(NO3)2, and Sn + KNO3 pyrotechnic systems have been studied by means of TG, DTA, and DSC methods and the results compared with those of pure oxidants. The apparent activation energy (E), ΔG #, ΔH #, and ΔS # of the combustion processes were obtained from the DSC experiments. The results showed that the nature of oxidant has a significant effect on ignition temperature, and the kinetic of the pyrotechnic mixtures’ reactions, and the relative reactivity of these mixtures was found to obey in the following order: Sn + Sr(NO3)2 > Sn + Ba(NO3)2 > Sn + KNO3.

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Authors and Affiliations

  1. Faculty of Chemistry, University of Mazandaran, P.O. Box 47416-95447, Babolsar, Iran

    Seyed Ghorban Hosseini & Abbas Eslami

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  1. Seyed Ghorban Hosseini
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  2. Abbas Eslami
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Correspondence to Abbas Eslami.

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Hosseini, S.G., Eslami, A. Thermoanalytical investigation of relative reactivity of some nitrate oxidants in tin-fueled pyrotechnic systems. J Therm Anal Calorim 101, 1111–1119 (2010). https://doi.org/10.1007/s10973-010-0813-x

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  • DOI: https://doi.org/10.1007/s10973-010-0813-x

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