Correlation of density and refraction index for liquid binary mixtures containing polyglycols. Use of the group contributions in the Lorentz-Lorenz, Gladstone-Dale and Vogel equations to evaluate the density of mixtures

Francesconi R; Ottani S

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Correlation of density and refraction index for liquid binary mixtures containing polyglycols. Use of the group contributions in the Lorentz-Lorenz, Gladstone-Dale and Vogel equations to evaluate the density of mixtures

机译：含聚乙二醇的液体二元混合物的密度和折射率的相关性。使用Lorentz-Lorenz，Gladstone-Dale和Vogel方程中的基团贡献来评估混合物的密度

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Experimental density, rho, and refractive index, n, of several simple compounds, polyglycols and their mixtures are correlated by the Lorentz-Lorenz, Gladstone-Dale and Vogel expressions in conjunction with the group contribution method. For several binary mixtures values of rho are given as a function of known n at different mass fractions in the whole composition range. Values obtained by the different equations are comparatively analyzed. The linear mixing rule between specific refractions of mixture and those of pure compounds, provided by the above mentioned correlations, is extended to new correlations, where the specific refractions of pure compounds are evaluated from the different sets of group contributions corresponding to the Lorentz-Lorenz, Gladstone-Dale and Vogel expressions. Comparisons with the experimental results are reported with a discussion on the possible origin of the corresponding discrepancies. (c) 2006 Elsevier B.V. All rights reserved.

机译：几种简单化合物，聚乙二醇及其混合物的实验密度，rho和折射率n均与洛伦兹-洛伦茨（Lorentz-Lorenz），格拉德斯通-戴尔（Gladstone-Dale）和沃格尔（Vogel）表达式结合基团贡献法相关联。对于几种二元混合物，在整个组成范围内，rho值是已知n在不同质量分数下的函数。比较分析了由不同方程式获得的值。由上述相关性提供的混合物的比折射与纯化合物的比折射之间的线性混合规则扩展到新的关联，其中从对应于洛伦兹-洛伦茨的不同组贡献来评估纯化合物的比折射，Gladstone-Dale和Vogel表达式。报告了与实验结果的比较，并讨论了相应差异的可能来源。（c）2006 Elsevier B.V.保留所有权利。

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《Journal of Molecular Liquids》 |2007年第3期|共9页
作者
Francesconi R; Ottani S;
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中图分类理论物理学;
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density; refractive index; polyglycols; group contribution; POLY(ETHYLENE GLYCOL) 200; EXCESS MOLAR ENTHALPIES; PLUS BENZYL ALCOHOL; 308.15 K; ATMOSPHERIC-PRESSURE; VISCOSITIES; CARBONATE; SCATTERING; DYNAMICS; SYSTEMS;

机译：密度;折射率;聚乙二醇;基团贡献;聚乙二烯200;过量摩尔焓;加苄基醇;308.15 K;大气压;粘度;碳酸盐;散射;动态;系统;

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1. Correlation of density and refraction index for liquid binary mixtures containing polyglycols. Use of the group contributions in the Lorentz-Lorenz, Gladstone-Dale and Vogel equations to evaluate the density of mixtures [J] . Francesconi R, Ottani S Journal of Molecular Liquids . 2007,第1a3期

机译：含聚乙二醇的液体二元混合物的密度和折射率的相关性。使用Lorentz-Lorenz，Gladstone-Dale和Vogel方程中的基团贡献来评估混合物的密度
2. Viscosity and density of binary mixtures of alcohols and polyols with three carbon atoms and water: equation for the correlation of viscosities of binary mixtures [J] . Physics and Chemistry of Liquids . 2009,第5期

机译：具有三个碳原子和水的醇和多元醇的二元混合物的粘度和密度：二元混合物的粘度相关方程
3. Viscosity and density of binary mixtures of alcohols and polyols with three carbon atoms and water: equation for the correlation of viscosities of binary mixtures [J] . Maximino RB Physics and Chemistry of Liquids . 2009,第5期

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Correlation of density and refraction index for liquid binary mixtures containing polyglycols. Use of the group contributions in the Lorentz-Lorenz, Gladstone-Dale and Vogel equations to evaluate the density of mixtures

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