| RDX在68%硝酸中溶解度的测定及关联 |
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| 引用本文： | 刘帅,张景林.RDX在68%硝酸中溶解度的测定及关联[J].山西化工,2009,29(3):47-49. |
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| 作者姓名： | 刘帅 张景林 |
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| 作者单位： | 中北大学化工与环境学院,山西,太原,030051 |
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| 摘 要： | 采用测定固体在液体中溶解度的实验装置,用静态平衡法测定298 K～343 K时黑索今（RDX）在质量分数68%硝酸中的溶解度。用数学方法对RDX在不同温度下溶解度数据进行关联,拟合出RDX溶解度与温度的线性方程,并计算不同温度下RDX在68%硝酸中的溶解度。与实测溶解度值进行比较,平均相对误差小于2%。建立了溶解-结晶模型并界定介稳区宽度,从而为RDX在不同温度下重结晶提供了参数依据。
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| 关 键 词： | 黑索今 溶解度 关联 介稳区 |
Measurement and correlation of RDX solubility in 68% nitric acid |
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| LIU Shuai,ZHANG Jing-lin.Measurement and correlation of RDX solubility in 68% nitric acid[J].Shanxi Chemical Industry,2009,29(3):47-49. |
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| Authors: | LIU Shuai ZHANG Jing-lin |
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| Affiliation: | (College of Chemical Industry and Environment, North University of China, Taiyuan Shanxi 030051, China) |
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| Abstract: | RDX solubility in 68%, nitric acid at 298 K - 343 K was determined by static equilibrium method in a reliable apparatus for measuring solid solubility in liquid. Then the data of RDX solubility at various temperatures was correlated by mathematical method, the linear equation of RDX solubility versus the reciprocal of corresponding absolute temperature was fitted and given. Based this equation, RDX solubility in 68%, nitric acid was calculated at different temperature and compared with relevant measured value, average relative errors was lower than 2%. Moreover, the model of solution-crystallization was listed and the metastable zone was also determined, RDX re-crystallization will depend on the parameters. |
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| Keywords: | hexogen solubility correlation metastable zone |
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