Apparent molar volumes of sodium methylbenzoates in N,N-dimethyl formamide-water mixtures at 298.15 K

被引：4

作者：

Li, SQ ^{[1
]}

Yu, JM

Lin, RS

机构：

[1] Chinese Acad Sci, Inst Bot, Key Lab Photosynth & Environm Mol Physiol, Photosynth Res Ctr, Beijing 100093, Peoples R China

[2] Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2003年 / 32卷 / 12期

关键词：

sodium methylbenzoate; DMF-water mixed solvent; apparent molar volumes; substituent effect; solvent effect;

D O I：

10.1023/B:JOSL.0000023921.02745.49

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Densities of sodium methylbenzoate (o-, m-, p-) have been measured in dimethyl formamide (DMF)-water mixtures at 298.15 K with an oscillating-tube densimeter. From these densities, apparent molar volumes of sodium methylbenzoates in DMF-H2O mixtures have been calculated and partial molar volumes at infinite dilution have been evaluated. Substituent and solvent effects on the transfer volumes of each isomer from water to DMF-H2O mixed solvents have also been obtained. The results are explained in terms of solvent-solvent and solute-solvent interactions.

引用

页码：1065 / 1074

页数：10

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