Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/53826
Title: Experimental And Predicted Mixing Enthalpies For Several Methyl Normal-Alkanoates With Normal-Pentane At 298.15-K - Application Of The Unifac Model
Authors: Ortega, J 
Matos, Js
Pena, Ja
Keywords: Excess-Enthalpies
Mixtures
Issue Date: 1992
Publisher: 0040-6031
Journal: Thermochimica Acta 
Abstract: Mixing enthalpy values for nine binary systems consisting of methyl esters (from ethanoate to n-decanoate) and n-pentane measured at 298.15 K and normal atmospheric pressure using a Calvet microcalorimeter are reported. The experimental results showed that the h(E) values are positive over the entire range of concentrations and that they decrease in a regular manner as the ester chain-length increases. The experimental values were compared with predictions obtained by applying the UNIFAC model using various options. Mean estimation errors for the nine systems ranged between 7.1% and 25.6%, depending on the individual model case applied.
URI: http://hdl.handle.net/10553/53826
ISSN: 0040-6031
Source: Thermochimica Acta[ISSN 0040-6031],v. 195, p. 321-327
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