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Dissolution of 3,4,5‐Triamino‐1,2,4‐triazole Dinitramide in N‐Methyl Pyrrolidone
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Dissolution of 3,4,5‐Triamino‐1,2,4‐triazole Dinitramide in N‐Methyl Pyrrolidone
作者:
Liang Xue,
Feng‐Qi Zhao,
Xiao‐Ling Xing,
Zhi‐Ming Zhou,
Kai Wang,
Hong‐Xu Gao,
Jian‐Hua Yi,
Rong‐Zu Hu,
期刊:
Journal of the Chinese Chemical Society
(WILEY Available online 2010)
卷期:
Volume 57,
issue 3A
页码: 338-342
ISSN:0009-4536
年代: 2010
DOI:10.1002/jccs.201000050
出版商: WILEY‐VCH Verlag
关键词: 3,4,5‐Triamino‐1,2,4‐triazole dinitramide;Dissolution;N‐Methyl pyrrolidone;Kinetics
数据来源: WILEY
摘要:
AbstractThe dissolution properties of 3,4,5‐triamino‐1,2,4‐triazole dinitramide in N‐methyl pyrrolidone (NMP) was measured using a RD496‐2000 Calvet microcalorimeter at four different temperatures under atmospheric pressure. Differential enthalpies (ΔdifH) and molar enthalpies (ΔsolH) were determined for 3,4,5‐triamino‐1,2,4‐triazole dinitramide in NMP. The corresponding kinetic equations that describe the four dissolution processes are\documentclass{article}\pagestyle{empty}\begin{document}$ \frac{{{\rm d\alpha }}}{{{\rm d}t}} = 1.78 \times 10^{ - 4} \left({1 - {\rm \alpha }} \right)^{1.01} \left({T = 298.15{\rm K}} \right) $\end{document},\documentclass{article}\pagestyle{empty}\begin{document}$ \frac{{{\rm d\alpha }}}{{{\rm d}t}} = 1.96 \times 10^{ - 4} \left({1 - {\rm \alpha }} \right)^{1.06} \left({T = 303.15{\rm K}} \right) $\end{document},\documentclass{article}\pagestyle{empty}\begin{document}$ \frac{{{\rm d\alpha }}}{{{\rm d}t}} = 2.15 \times 10^{ - 4} \left({1 - {\rm \alpha }} \right)^{0.96} \left({T = 308.15{\rm K}} \right) $\end{document},\documentclass{article}\pagestyle{empty}\begin{document}$ \frac{{{\rm d\alpha }}}{{{\rm d}t}} = 2.34 \times 10^{ - 4} \left({1 - {\rm \alpha }} \right)^{1.06} \left({T = 313.15{\rm K}} \right) $\end{document}solution of 3,4,5‐triamino‐1,2,4‐triazole dinitramide in NMP, respectively. The values of activation energyEand pre‐exponential factorAfor the dissolution process are obtained as 14.13 k
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