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هشتمین سمینار دوسالانه کمومتریکس ایران
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| عنوان انگلیسی |
Central Composite Design for Experimental Study and Statistical Modelling of Solubility Parameters of RDX and HMX in Solution of Diethylene Glycol and Ammonium Acetate |
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| چکیده انگلیسی مقاله |
In this study, for the first time, using the safe, inexpensive, non-volatile and low toxicity solution of diethylene glycol (DEG) and ammonium acetate salt, solubility and thermodynamic parameters of two energetic substances, cyclotrimethylenetrinitramine (RDX) and cyclotetramethylenetetranitramine (HMX) energetic materials were experimentally studied. The effect two main factors of temperature and weight percent of ammonium acetate in DEG on the solubility of RDX and HMX over a temperature range of 30 °C to 90 °C and 70.0 wt.% to 100.0 wt.% of ammonium acetate in DEG mixtures were determined and statistically modelled and optimized using a central composite design (CCD) of experiment with Minitab (ver. 19) software. Multiple regression analysis and analysis of variance (ANOVA) showed that the predicted results were in good agreement with the experimental data. Also, precision and accuracy of results were evaluated. The solubility coefficient, enthalpy of dissolution of the two substances in DEG solvent and its mixture with ammonium acetate were determined. The results show that with increasing the concentration of ammonium acetate in the solvent, the solubility of RDX increases while the solubility of HMX is low, with the solubility ratio of RDX to HMX near to 10 to 30-fold. This study indicates a much lower solubility of HMX in ammonium acetate /DEG mixture relative to RDX, thus separation of the two compounds, having similar structural and chemical properties, can be performed. |
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| کلیدواژه‌های انگلیسی مقاله |
Solubility، Diethylene glycol، Ammonium acetate، Explosive، Central composite design |
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| نویسندگان مقاله |
جواد قربانی - دانشگاه مالک اشتر
سجاد دمیری - دانشگاه مالک اشتر
حمیدرضا پوراعتدال - دانشگاه مالک اشتر
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| نشانی اینترنتی |
http://chemo2021.modares.ac.ir/browse.php?a_code=A-10-120-1&slc_lang=fa&sid=1 |
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| زبان مقاله منتشر شده |
fa |
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