含能材料2018，Vol.26Issue(6)：511-516,6.DOI:10.11943/j.issn.1006-9941.2018.06.008
1-甲基-3,4,5-三硝基吡唑的结晶热力学
Crystallization Thermodynamics of 1-Methyl-3,4,5-trinitropyrazole
郭恒杰 1曹端林 1党鑫 1柴笑笑 1樊丽虹 1李永祥1
作者信息
- 1. 中北大学化学工程与技术学院, 山西 太原 030051
- 折叠
摘要
Abstract
The solubility of 1-methyl-3,4,5-trinitropyrazole (MTNP) in different solvents was determined by the gravimetric meth-od.The Apelblat equation and vant't Hoff equation were used to correlate the solubility data.The standard enthalpy of dissolu-tion, standard entropy of dissolution, standard Gibbs free energy of dissolution, solid-liquid surface tension and surface entropy factor of MTNP were estimated by the experimental data.By comparing the solubility data of MTNP, benzene, methanol and etha-nol absolute were used to crystallization as solvent and the product was characterized.Results show that the solubility of MTNP in-creases with increasing the temperature.The mean absolute percentage deviation between the fitted and experimental values of the Apelblat and vant't Hoff equation is less than 5.18％, but the experimental data correlated by the Apelblat equation is superior. The morphology of the product crystallized using ethanol absolute observed by electron microscopy is regular and uniform.The impact sensitivity of product crystallized by ethanol absolute is 68％.The size uniformity of product measured by the BT-2002 laser particle size analyzer is better.关键词
1-甲基-3,4,5-三硝基吡唑(MTNP)/溶解度/热力学/结晶/表征Key words
1-methyl-3/4/5-trinitropyrazole (MTNP)/solubility/thermodynamics/crystallization/characterization分类
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郭恒杰,曹端林,党鑫,柴笑笑,樊丽虹,李永祥..1-甲基-3,4,5-三硝基吡唑的结晶热力学[J].含能材料,2018,26(6):511-516,6.
