Densimetric Studies of Binary Solutions Involving H2O or D2O as a Solute in Dimethylsulfoxide at Temperatures from (293.15 to 328.15) K and Atmospheric Pressure

被引：7

作者：

Ivanov, Evgeniy V. ^{[1
]}

Lebedeva, Elena Yu ^{[1
]}

Abrosimov, Vladimir K. ^{[1
]}

Ivanova, Nadezhda G. ^{[2
]}

机构：

[1] Russian Acad Sci, Inst Solut Chem, Lab Thermodynam Solut Nonelectrolytes & Biol Act, Ivanovo 153045, Russia

[2] Ivanovos State Power Engn Univ, Dept Chem & Chem Technol Energet, Ivanovo 153003, Russia

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2012年 / 41卷 / 08期

关键词：

Apparent molar volumes and expansibilities; Excess molar volumes; Ordinary and heavy water; Dimethylsulfoxide; Solute isotope effects; APPARENT MOLAR VOLUMES; WATER PLUS DIMETHYLSULFOXIDE; MOLECULAR-DYNAMICS SIMULATIONS; DIMETHYL-SULFOXIDE-WATER; THERMODYNAMIC PROPERTIES; AQUEOUS-SOLUTIONS; DIELECTRIC-PROPERTIES; PROPYLENE CARBONATE; SOLVENT MIXTURES; ORGANIC-SOLVENTS;

D O I：

10.1007/s10953-012-9877-5

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 H2O and D2O solutions in dimethylsulfoxide, with solute mole fractions ranging up to 0.037, were measured with an uncertainty of 1.5x10(-5) ga <...cm(-3) at eight temperatures between 293.15 and 328.15 K (with a step of 5 K) under atmospheric pressure using a sealed vibrating-tube densimeter. Apparent molar volumes and isobaric expansibilities (down to infinite dilution) of water isotopologues, as well as excess molar volumes of both solutes and solutions as a whole, were calculated. The temperature-dependent behavior of H2O -> D2O solute isotope effects on the studied molar volumetric characteristics was interpreted by taking into account the structural and related interaction peculiarities of the dissolving medium in question.

引用

页码：1311 / 1333

页数：23

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