Compositions, Densities, and Refractive Indices for the Ternary Systems Ethylene Glycol + NaCl + H2O, Ethylene Glycol + KCl + H2O, Ethylene Glycol + RbCl + H2O, and Ethylene Glycol + CsCl + H2O at 298.15 K
Compositions, Densities, and Refractive Indices for the Ternary Systems Ethylene Glycol + NaCl + H2O, Ethylene Glycol + KCl + H2O, Ethylene Glycol + RbCl + H2O, and Ethylene Glycol + CsCl + H2O at 298.15 K
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三元系统乙二醇 NaCl H2O、乙二醇 KCl H2O、乙二醇 RbCl H2O 和乙二醇 CsCl H2O（298.15 K）的成分、密度和折射率
DOI：
10.1021/je900630n
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发表时间：
2010-02
影响因子：
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通讯作者：
周艳红
中科院分区：
文献类型：
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作者：
翟全国;胡满成;蒋育澄;李淑妮;周艳红
Solubilities, densities, and refractive indices have been measured for the four ternary systems, ethylene glycol + NaCl + H2O, ethylene glycol + KCl + H2O, ethylene glycol + RbCl + H2O, and ethylene glycol + CsCl + H2O, at T = 298.15 K, with mass fractions of ethylene glycol ranging from 0 to 1.0. Polynomial equations of fit are proposed for the solubility of the saturated solutions as a function of the mass fraction of ethylene glycol. The equations proposed also account for the density and refractive index for the saturated solutions. On the other hand, the density and refractive index of unsaturated solutions were also determined for the same ternary systems with varied undersaturated salt concentrations. Values for both the properties were also correlated with the salt concentrations and proportions of ethylene glycol in the undersaturated solutions. In all the cases, the presence of ethylene glycol significantly reduces the solubility of the salts in the aqueous solution.
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