Published June 2003
| Version v1
Journal article
Volumetric properties of H2O, D2O, and methanol in acetonitrile at 278.15-318.15 K
- 1. Inst. Khimii Rasvorov Rossijskoj Akademii Nauk, Ivanovo (Russian Federation)
Description
Densities of H2O and D2O solutions in acetonitrile in the range of temperatures 278.15-318.15 K and dissolved substance concentration up to 0.07 molar fractions were measured by the method of vibrating-tube densimetry with the error of ≤8·10-6 g cm-3. The values of H/D isotopic effects in limiting partial molar volumes of H/D isotopomers of water in acetonitrile and in excess molar volumes of acetonitrile-water mixtures were calculated. The previously made conclusion suggesting that the above-mentioned isotopic effects stem largely from difference in the energies of hydrogen and deuterium bonds was confirmed
Abstract (Russian)
Методом вибрационной денсиметрии с погрешностью ≤8·10-6 г см-3 измерены плотности растворов H2O и D2O в ацетонитриле в интервале температур 278.15-318.15 K и концентрации растворенного вещества до 0.07 мольных долей. Рассчитаны величины изотопных эффектов H/D в предельных парциальных молярных объемах H/D-изотопомеров воды в ацетонитриле и в избыточных молярных объемах смесей ацетонитрил-вода. Подтвержден сделанный ранее вывод о том, что указанные изотопные эффекты в основном определяются разностью в энергиях водородной и дейтериевой связейAdditional details
Additional titles
- Original title (Russian)
- Обьемные свойства Х
Publishing Information
- Journal Title
- Izvestiya Akademii Nauk. Rossijskaya Akademiya Nauk. Seriya Khimicheskaya
- Journal Issue
- no.6
- Journal Page Range
- p. 1254-1260
- ISSN
- 1026-3500
- CODEN
- IASKEA
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 37011349
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- ACETONITRILE; CONCENTRATION RATIO; DENSITY; HEAVY WATER; ISOTOPE EFFECTS; SOLUTIONS; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0273-0400 K; WATER
- Descriptors DEC
- DEUTERIUM COMPOUNDS; DIMENSIONLESS NUMBERS; DISPERSIONS; HOMOGENEOUS MIXTURES; HYDROGEN COMPOUNDS; MIXTURES; NITRILES; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; TEMPERATURE RANGE; WATER
Optional Information
- Notes
- 45 refs., 2 figs., 4 tabs.