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用Pitzer理论预测混合电解质溶液的偏摩尔体积
引用本文:申屠雁明 李以圭. 用Pitzer理论预测混合电解质溶液的偏摩尔体积[J]. 高等学校化学学报, 1993, 14(5): 702-705
作者姓名:申屠雁明 李以圭
作者单位:清华大学化工系, 北京 100084
摘    要:
用Pitzer理论研究了混合电解质溶液的偏摩尔体积,建立了偏摩尔体积的预测方法,并利用所得电解质溶液的表观摩尔体积的Pitzer参数预测了HNO3-UO2(NO3)2-H2O、KCl-Na2SO4-H2O、NaCl-Na2SO4-H2O、NaCl-CaCl2-H2O、KCl-CaCl2-H2O、KCl-MgCl2-H2O和KCl-NaBr-H2O共7个系统4种类型的混合溶液的偏摩尔体积。

关 键 词:电解质水溶液  Pitzer理论  偏摩尔体积  
收稿时间:1992-03-27

Prediction for Partial Molar Volumes in Mixed Electrolyte Aqueous Solutions by Pitzer Theory
SHENTU Yan-Ming,LI Yi-Gui. Prediction for Partial Molar Volumes in Mixed Electrolyte Aqueous Solutions by Pitzer Theory[J]. Chemical Research In Chinese Universities, 1993, 14(5): 702-705
Authors:SHENTU Yan-Ming  LI Yi-Gui
Affiliation:Department of Chemical Engineering, Tsinghua University, Beijing, 100084
Abstract:
The partial molar volumes of mixed electrolyte aqueous solutions are calculated by using Pitzer theory, and the predicting equations were established. The partial molar volumes for HNOs-UO2(NO3)2-H2O, KCl-Na2SO4-H2O, NaCl-Na2SO4-H2O, NaCl-CaCl2-H2O, KCl-CaCl2-H2O, KC1-MgCl2-H2O, KCl-NaBr-H2O systems are estimated by using new Pitzer single and mixed parameters of apparent molar volumes, and compared with the partial molar volumes calculated from experimental densities. This paper establishes a new method for predicting the partial molar volumes of mixed electrolyte aqueous solutions.
Keywords:Electrolyte aqueous solution   Pitzer theory   Partial molar volume  
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