1989
DOI: 10.1139/v89-097
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Excess molar volumes, speeds of sound, and isentropic compressibilities of binary mixtures of furfural with some aliphatic alcohols

Abstract: HOMENDRA NAOREM, NAND KISHORE, and S. K. SURI. Can. J. Chem. 67,648 (1989). Excess molar volumes and isentropic compressibilities for the binary mixtures of furfural with methanol, ethanol, 1 -propanol, 2-propanol, 1-butanol, and 2-butanol have been computed from the experimentally measured densities and sound speeds at 308.15 K over the entire composition range. All the systems studied exhibit contraction on mixing. The results have been discussed in terms of the specific interactions between the component mo… Show more

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Cited by 8 publications
(5 citation statements)
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“…This is not to say that there are no direct solute-solvent interactions, because they are well-known for furfural and primary alcohols. 67 The barrier in methanol is the most compatible with that determined in neat furfural 63 and agrees reasonably with SCI-PCM calculations.…”
Section: Discussionsupporting
confidence: 79%
See 1 more Smart Citation
“…This is not to say that there are no direct solute-solvent interactions, because they are well-known for furfural and primary alcohols. 67 The barrier in methanol is the most compatible with that determined in neat furfural 63 and agrees reasonably with SCI-PCM calculations.…”
Section: Discussionsupporting
confidence: 79%
“…In methanol (ε = 32.63) there is no significant entropy of activation, indicating that there is no preferred interaction between the solute and any of the solute forms. This is not to say that there are no direct solute−solvent interactions, because they are well−known for furfural and primary alcohols …”
Section: Discussionmentioning
confidence: 99%
“…In view of this, the positive contributions to the excess enthalpies associated with structure breaking of alcohols and furfural aggregates, which occurs as a consequence of their mixing, outweigh the negligibly small negative contribution arising from the interaction between alkanol and furfural molecules. A similar conclusion was drawn from the studies on the volumetric behavior of these binary mixtures (16).…”
Section: Resultssupporting
confidence: 81%
“…The sample of furan (Ferak, Germany) was refluxed over potassium hydroxide and distilled over sodium. Laboratory reagent grade samples of furfural and FA (SRL, India) were distilled under reduced pressure and the middle fractions collected (5,6). The samples of the chlorobenzene and bromobenzene (AG-Fluka) were purified by shaking repeatedly with portions of sulfuric acid until the acid was no longer colored.…”
Section: Methodsmentioning
confidence: 99%
“…1.15473, 1.12499, 0.87352, 1.10069, and 1.48811 g cmP3, respecOur recent studies on binary mixtures of tetrahydrofuran (1-3), furan (4), furfural (5,6), and furfuryl alcohol (7) with a variety of organic liquids revealed a strong n-IT interaction between the IT-electron cloud of the aromatic ring and the oxygen atom of the heterocyclic ring in tetrahydrofuran (THF) and furan. These interactions were found to be highly influenced by geometric factors and exhibited a significant change on going from furan to furfural to furfuryl alcohol (FA).…”
Section: Introductionmentioning
confidence: 99%