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Analysis of volumes of mixing for propyl and butyl formate withn-alkanes in terms of the Nitta model |
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| Authors: | J. S. Matos J. Ortega G. Tardajos M. V. Garcia J. L. Legido |
| Affiliation: | (1) Cátedra de Termodinámica y Fisicoquimica, Escucla Superior de Ingenicros Industriales, Universidad de Las Palmas de G.C., 35071 Las Palmas, Spain;(2) Departamento de Química-Física, Universidad Complutense de Madrid, Madrid, Spain;(3) Departamento de Física Aplicada, Universidad de Vigo, Spain |
| Abstract: | The excess molar volumes of eight binary systems formed of propyl or butyl formate with four n-alkanes (from C6 to C9) have been determined at 25°C and atmospheric pressure. The data were obtained indirectly from densities measured experimentally with a vibrating-tube densimeter and then compared with those estimated using the Nitta model. This method yields good predictions of the symmetry of the vE curves given an average overall error for all the systems analyzed here smaller than 6 percent. |
| Keywords: | Excess molar volumes Nitta model propyl formate butyl formate n-alkanes |
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