| 盐-水体系溶解平衡计算的自由能最小化及溶度积方法 |
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| 引用本文： | 宋彭生,黄雪莉.盐-水体系溶解平衡计算的自由能最小化及溶度积方法[J].化学通报,2007,70(6):434-438. |
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| 作者姓名： | 宋彭生 黄雪莉 |
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| 作者单位： | 中国科学院青海盐湖研究所 西宁810008(宋彭生)，新疆大学化学化工学院 乌鲁木齐830046(黄雪莉) |
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| 摘 要： | 根据电解质溶液的基本物理化学原理和近代电解质溶液理论的Pitzer离子相互作用模型,通过计算浓电解质溶液的活度系数和水的活度,研究了盐-水体系溶解平衡的计算方法.结果表明,体系Gibbs自由能最小化方法是计算盐-水体系溶解平衡的一种有效方法,其计算结果与溶度积法一致.
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| 关 键 词： | 盐水溶解平衡 自由能 溶度积 水体系 溶解平衡 平衡计算 自由能 最小化 溶度积 计算方法 System Equilibrium Calculation Solubility Product Free Energy Method of Gibbs 结果 研究 水的活度 活度系数 离子相互作用模型 电解质溶液理论 |
| 修稿时间： | 2006-11-02 |
Study on the Method of Minifying Free Energy and Solubility Product for the Calculation of the Equilibrium of Salt-Water System |
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| Song Pengsheng,Huang Xueli.Study on the Method of Minifying Free Energy and Solubility Product for the Calculation of the Equilibrium of Salt-Water System[J].Chemistry,2007,70(6):434-438. |
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| Authors: | Song Pengsheng Huang Xueli |
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| Institution: | 1 Qinghai Institute of Salt Lakes, Academia Sinica , Xining 810008; 2 College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046 |
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| Abstract: | According to the basic physic-chemical principle of electrolyte solution and Pitzer Ion Interaction Approach,the study on the calculation of the equilibrium of salt-water system was carried out by calculating the activity coefficient of electrolyte solution and osmotic coefficient of water.The research showed that the method of minifying free energy was effective for the calculation of the equilibrium of salt-water system,its result was in accordance with that of method of solubility product. |
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| Keywords: | Equilibrium of salt-water system Free energy Solubility product |
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