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Comparison of heat capacity of solid explosives by DSC and group contribution methods

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Abstract

The isobaric heat capacities of solid explosive materials were measured using differential scanning calorimeter. The values of C p were determined at temperature 298.15 K and compared to theoretical data calculated using the group additivity approach. Several group contribution methods were tested, showing that certain method for some explosives provides estimation of C p with error only 1 %. Generally, the average error limit for calculated C p was about 11 %, which is insufficient.

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Acknowledgements

This work was done under the financial support of Ministry of Interior of the Czech Republic, project no. VG20102014032. Authors thanks to Monika Subrtova for her help with DTA measurements.

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Authors and Affiliations

  1. Department of Inorganic Technology, Faculty of Chemical Technology, University of Pardubice, Doubravice 41, 53210, Pardubice, Czech Republic

    Radim Pilar & Pavla Honcová

  2. Department of Energetic Materials, Faculty of Chemical Technology, University of Pardubice, Doubravice 41, 53210, Pardubice, Czech Republic

    Jiri Pachman & Robert Matyáš

  3. Department of Process Control, Faculty of Electrical Engineering and Informatics, University of Pardubice, Cs. Legii Sq. 565, 53002, Pardubice, Czech Republic

    Daniel Honc

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  1. Radim Pilar
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  2. Jiri Pachman
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Correspondence to Pavla Honcová.

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Pilar, R., Pachman, J., Matyáš, R. et al. Comparison of heat capacity of solid explosives by DSC and group contribution methods. J Therm Anal Calorim 121, 683–689 (2015). https://doi.org/10.1007/s10973-015-4611-3

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  • DOI: https://doi.org/10.1007/s10973-015-4611-3

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