Single Ionic Volumes in Acetonitrile-Organic Cosolvent Mixtures at 298.15K

Verfasser / Beitragende:
[Henryk Piekarski, Alina Piekarska, Kinga Kubalczyk]
Ort, Verlag, Jahr:
2004
Enthalten in:
Zeitschrift für Physikalische Chemie/International journal of research in physical chemistry and chemical physics, 218/6/2004(2004-06-01), 679-698
Format:
Artikel (online)
ID: 378924834
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245 0 0 |a Single Ionic Volumes in Acetonitrile-Organic Cosolvent Mixtures at 298.15K  |h [Elektronische Daten]  |c [Henryk Piekarski, Alina Piekarska, Kinga Kubalczyk] 
520 3 |a Densities of binary nonaqueous mixtures of acetonitrile (AN) with 2-methoxyethanol (ME), N,N-dimethylacetamide (DMA) and propylene carbonate (PC) were determined over the whole composition range at 298.15K. The excess molar volumes and the partial molar volumes of both components were calculated from these data. Densities of solutions of NaI, NaBPh4 and Ph4PI in solvent mixtures AN+ME and AN+DMA and of NaI solutions in mixtures of AN+PC were measured over the whole composition range of the mixed solvents at an electrolyte concentration equal 0.05moldm−3. From these densities, apparent molar volumes of electrolytes and ions were evaluated and analyzed. The relationship between the apparent molar volumes of ions and (κT/ε) parameter was tested and discussed. 
540 |a © 2004 Oldenbourg Wissenschaftsverlag GmbH 
690 7 |a Thermodynamics & statistical physics  |2 nationallicence 
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