| 蒸气压渗透法(VPO)及其在测定溶液渗透系数中的应用 |
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| 引用本文： | 高作宁,文晓林.蒸气压渗透法(VPO)及其在测定溶液渗透系数中的应用[J].兰州大学学报(自然科学版),1999,35(1):99-105. |
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| 作者姓名： | 高作宁 文晓林 |
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| 作者单位： | 兰州大学化学化工学院 |
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| 摘 要： | 从ＶＰＯ仪的工作原理、仪器的标定方法及其在溶液热力学研究中的应用等方面详细讨论了ＶＰＯ方法测定溶液渗透系数的理论基础，进一步探讨了溶液渗透系数与过量热力学函数的关系以及以此为基础研究溶液中溶质分了间的缔合性质，并说明ＶＰＯ方法在研究溶液的热力学性质、过量热力学性质以及溶液中溶质分子的缔合关系等方面将具有十分重要的意义。
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| 关 键 词： | 渗透系数 热力学函数 蒸气压渗透法 溶液 |
Vapour Pressure Osmometry and Its Applications in the Determination of Osmotic Coefficients of Aqueous Solutions |
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| Gao Zuoning,Wen Xiaolin,Li Hulin.Vapour Pressure Osmometry and Its Applications in the Determination of Osmotic Coefficients of Aqueous Solutions[J].Journal of Lanzhou University(Natural Science),1999,35(1):99-105. |
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| Authors: | Gao Zuoning Wen Xiaolin Li Hulin |
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| Abstract: | Based on the principle and calibration of vapour pressure osmometer and its application in the thermodynamics of the solutions, the theoretical bases of the vapour pressure osmometry in the osmotic coefficients determination of the solutions have been discussed, and the relationship between the osmotic coefficients and excess thermodynamic properties is studied and on this basis the association properties of the solute molecules in the solutions are further investigated. The results indicate that the vapour pressure osmometry is of great significance in the investigation of the thermodynamics, excess thermodynamic properties and also its association properties of the solute molecules in the solutions. |
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| Keywords: | VPO vapour pressure osmometer osmotic coefficient excess thermodynamic property association |
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