Journal article
Preferential solvation in mixed solvents Part 8. Aqueous methanol from sub-ambient to elevated temperatures
Physical Chemistry Chemical Physics, Vol.1(12), pp.2975-2983
1999
Abstract
The inversed Kirkwood-Buff integral method is applied to mixtures of water and methanol from - 13 to 250 °C. Preferential solvation is deduced from these integrals and shown over the entire composition and temperature ranges. The self-preference of water increases with rising temperatures in both water- and methanol-rich mixtures, reaching a limiting value near the critical point of methanol. At the equimolar composition, though, this self- preference reaches a shallow maximum near 150 °C. The methanol self- preference in methanol-rich mixtures is slight, but this hydrophobic effect is considerable at 15 mol% of methanol, reaching a pronounced maximum near 150 °C. The effect of the methanol on the structure of the water, the incorporation of water into the structure of methanol, and their changes with increasing temperatures are discussed.
Details
- Title
- Preferential solvation in mixed solvents Part 8. Aqueous methanol from sub-ambient to elevated temperatures
- Authors/Creators
- Y. Marcus (Author/Creator)
- Publication Details
- Physical Chemistry Chemical Physics, Vol.1(12), pp.2975-2983
- Publisher
- Royal Society of Chemistry
- Identifiers
- 991005542745107891
- Murdoch Affiliation
- School of Mathematical and Physical Sciences
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.89 Ionic, Molecular & Complex Liquids
- 2.89.462 Excess Molar Volumes
- Web Of Science research areas
- Chemistry, Physical
- Physics, Atomic, Molecular & Chemical
- ESI research areas
- Chemistry