Volumetric Behaviour of Binary and Ternary Liquid Systems Composed of Ethanol, Isooctane, and Toluene at Temperatures from (298.15 to 328.15) K. Experimental Data and Correlation

0364391 - ÚCHP 2012 RIV GB eng J - Journal Article
Morávková, Lenka - Wagner, Zdeněk - Sedláková, Zuzana - Linek, Jan
Volumetric Behaviour of Binary and Ternary Liquid Systems Composed of Ethanol, Isooctane, and Toluene at Temperatures from (298.15 to 328.15) K. Experimental Data and Correlation.
Journal of Chemical Thermodynamics. Roč. 43, č. 12 (2011), s. 1906-1916. ISSN 0021-9614. E-ISSN 1096-3626
R&D Projects: GA ČR GP203/09/P141; GA ČR GA104/09/0666
Institutional research plan: CEZ:AV0Z40720504
Keywords : density * speed of sound * ternary mixture
Subject RIV: CF - Physical ; Theoretical Chemistry
Impact factor: 2.422, year: 2011

The densities and speeds of sound of (ethanol + isooctane), (ethanol + toluene), and (ethanol + isooctane + toluene) were measured at four temperatures over the range (298.15 to 328.15) K, and the respective values of excess volumes and adiabatic compressibility κS were calculated. The and κS values for the binary systems were fitted to the Redlich-Kister equation. The respective ternary data together with corresponding binary data were then fitted to the modified Redlich–Kister equation considering various numbers of ternary constants. It was found that even for the systems containing self-associating alcohol, only one ternary parameter is sufficient to describe well the ternary system.
Permanent Link: http://hdl.handle.net/11104/0199885