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H. X. Ma
H. X. Ma
School of Chemical Engineering/Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi'an, Shaanxi, 710069, China
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B. Yan
B. Yan
School of Chemical Engineering/Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi'an, Shaanxi, 710069, China
School of Chemistry and Chemical Engineering, Yulin University, Yulin, Shaanxi, 719000, China
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School of Chemistry and Chemical Engineering, Yulin University, Yulin, Shaanxi, 719000, China
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Y. H. Ren
Y. H. Ren
School of Chemical Engineering/Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi'an, Shaanxi, 710069, China
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Y. Hu
Y. Hu
School of Chemical Engineering/Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi'an, Shaanxi, 710069, China
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Y. L. Guan
Y. L. Guan
School of Chemical Engineering/Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi'an, Shaanxi, 710069, China
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F. Q. Zhao
F. Q. Zhao
Xi'an Modern Chemistry Research Institute, Xi'an 710065, China
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J. R. Song
J. R. Song
School of Chemical Engineering/Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi'an, Shaanxi, 710069, China
Department of Conservation Technology, The Palace Museum, 4 Jingshan Qianjie, Beijing 100009, China
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Department of Conservation Technology, The Palace Museum, 4 Jingshan Qianjie, Beijing 100009, China
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R. Z. Hu
R. Z. Hu
Xi'an Modern Chemistry Research Institute, Xi'an 710065, China
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Abstract
3,3-Dinitroazetidinium (DNAZ) salt of perchloric acid (DNAZ·HClO4) was prepared, it was characterized by the elemental analysis, IR, NMR, and a X-ray diffractometer. The thermal behavior and decomposition reaction kinetics of DNAZ·HClO4 were investigated under a non-isothermal condition by DSC and TG/DTG techniques. The results show that the thermal decomposition process of DNAZ·HClO4 has two mass loss stages. The kinetic model function in differential form, the value of apparent activation energy (Ea) and pre-exponential factor (A) of the exothermic decomposition reaction of DNAZ·HClO4 are f(α) = (1 − α)−1/2, 156.47 kJ mol−1, and 1015.12 s−1, respectively. The critical temperature of thermal explosion is 188.5 °C. The values of ΔS≠, ΔH≠, and ΔG≠of this reaction are 42.26 J mol−1 K−1, 154.44 kJ mol−1, and 135.42 kJ mol−1, respectively. The specific heat capacity of DNAZ·HClO4 was determined with a continuous Cp mode of microcalorimeter. Using the relationship between Cp and T and the thermal decomposition parameters, the time of the thermal decomposition from initiation to thermal explosion (adiabatic time-to-explosion) was evaluated as 14.2 s.
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| Journal of Thermal Analysis and Calorimetry | |
|---|---|
| Language | English |
| Size | A4 |
| Year of Foundation |
1969 |
| Volumes per Year |
1 |
| Issues per Year |
24 |
| Founder | Akadémiai Kiadó |
| Founder's Address |
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. |
| Publisher | Akadémiai Kiadó Springer Nature Switzerland AG |
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| ISSN | 1388-6150 (Print) |
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