| 静态平衡法测定甲基膦酸二甲庚酯在酸性溶液中的溶解度 |
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| 引用本文： | 任冰,唐洪彬,蒋德祥,刘金平,何辉. 静态平衡法测定甲基膦酸二甲庚酯在酸性溶液中的溶解度[J]. 核化学与放射化学, 1980, 41(3): 272-277. DOI: 10.7538/hhx.2019.YX.2018068 |
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| 作者姓名： | 任冰 唐洪彬 蒋德祥 刘金平 何辉 |
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| 作者单位： | 中国原子能科学研究院 放射化学研究所，北京102413 |
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| 摘 要： | 采用静态平衡法测定了常压下在273.15~343.15 K时甲基膦酸二甲庚酯(DMHMP)在水和不同浓度硝酸溶液中的溶解度。实验数据表明：DMHMP在常压298.15 K条件下于水中的溶解度δ(DMHMP)=166.69 mg/L；随着温度升高，DMHMP在水中的溶解度δ逐渐增加，符合Apelblat溶解度模型；用正十二烷稀释DMHMP可以降低其在水相中的溶解度；随着硝酸浓度的增加，DMHMP在硝酸中的溶解度也随之增加。
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| 关 键 词： | 甲基膦酸二甲庚酯 磷酸三丁酯 溶解度 溶解度模型 静态平衡法 |
Determination of Solubility of Di(1-Methyl-Heptyl) Methyl Phosphonate in Acidic Solution by Static Equilibrium Method |
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| REN Bing,TANG Hong-bin,JIANG De-xiang,LIU Jin-ping,HE Hui. Determination of Solubility of Di(1-Methyl-Heptyl) Methyl Phosphonate in Acidic Solution by Static Equilibrium Method[J]. Journal of Nuclear and Radiochemistry, 1980, 41(3): 272-277. DOI: 10.7538/hhx.2019.YX.2018068 |
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| Authors: | REN Bing TANG Hong-bin JIANG De-xiang LIU Jin-ping HE Hui |
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| Affiliation: | China Institute of Atomic Energy, P. O. Box 275(26), Beijing 102413, China |
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| Abstract: | The solubility of di(1-methyl-heptyl) methyl phosphonate in water and different concentrations of nitric acid solution was measured with static equilibrium method at 273.15-343.15 K under atmospheric pressure. The results show that the solubility of DMHMP in water is 166.69 mg/L at 298.15 K under atmospheric pressure. The solubility of DMHMP in water increases with the increase of the temperature, the experimental data are correlated with Apelblat equation. The solubility of DMHMP in water reduces with the dilution of n-dodecane. The solubility of DMHMP in nitric acid solution increases with the increase of the concentration of nitric acid. |
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| Keywords: | di(1-methyl-heptyl) methyl phosphonate tributyl phosphate solubility solubility model static equilibrium method |
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