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Title: | Experimental and predicted mixing enthalpies for several methyl n-alkanoates with n-pentane at 298.15 K. Application of the UNIFAC model | Authors: | Ortega, J. Matos, J. S. Peña, J. A. |
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 hE 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. © 1992. | URI: | https://accedacris.ulpgc.es/handle/10553/52138 | ISSN: | 0040-6031 | DOI: | 10.1016/0040-6031(92)80075-8 | Source: | Thermochimica Acta[ISSN 0040-6031],v. 195, p. 321-327 |
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