| 硝酸铷在醇水混合溶剂中的溶解度 |
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| 引用本文： | 李淑妮,胡满成,金利华,张晓蕾,蒋育澄.硝酸铷在醇水混合溶剂中的溶解度[J].中国化学,2005,23(10):1348-1354. |
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| 作者姓名： | 李淑妮 胡满成 金利华 张晓蕾 蒋育澄 |
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| 作者单位： | [1]School of Chemistry and Materials Science, Shaanxi Normal University, Xi＇an, Shaanxi 710062, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China （No. 20471035） and the Natural Science Foundation of Shaanxi Province （No. 2004B 17）. |
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| 摘 要： | 本文通过简单精确的分析方法测定了硝酸铷在水、水＋甲醇以及在水＋乙醇中在不同温度下的溶解度。在甲醇和乙醇存在的情况下，硝酸铷在水的溶解度都明显降低。通过四参数方程对试验数据拟和，取得了满意的结果。同时也测定了三元体系在“饱和”和“非饱和”状态下的折光率，并对折光率和醇及盐的浓度进行关联。
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| 关 键 词： | 铷 硝酸盐 温度 溶解性 |
| 收稿时间： | 2005-04-14 |
| 修稿时间： | 2005-04-142005-06-27 |
Solubility of Rubidium Nitrate in CH3OH or C2H5OH Aqueous Solutions at Different Temperatures |
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| Li ShuNi;Hu ManCheng;Jin LiHua;Zhang XiaoLei;Jiang YuCheng.Solubility of Rubidium Nitrate in CH3OH or C2H5OH Aqueous Solutions at Different Temperatures[J].Chinese Journal of Chemistry,2005,23(10):1348-1354. |
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| Authors: | Li ShuNi;Hu ManCheng;Jin LiHua;Zhang XiaoLei;Jiang YuCheng |
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| Abstract: | The solubilities of rubidium nitrate in water, water plus methanol, and water plus ethanol have been determined using a simple accurate analytical method at different temperatures. In all cases, the presence of either methanol or ethanol significantly reduced the solubility of rubidium nitrate in aqueous solution. A four-parameter equation was adjusted to the experimental data satisfactorily. Refractive index was also determined for the two ternary systems both in saturated and unsaturated solutions with varied salt concentrations. Furthermore the values for refractive index were correlated with the proportions of alcohol and the concentrations of salt. |
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| Keywords: | solid-liquid equilibrium rubidium nitrate solubility |
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