Abstract
In this study, density of binary liquid mixtures of {methyl tert-butyl ether (MTBE) + ethanol, or + 1-propanol, or + 1-butanol} has been determined as a function of composition at temperature 290 K and pressure up to 35 MPa. Densities data were measured using an Anton Paar DMA 4500 vibrating tube densimeter coupled to an external Anton Paar DMA HP high-pressure cell. A Tait equation was used to correlate experimental densities with pressure. The experimental results have been used to calculate the derived volumetric properties such as excess molar volumes (\(V_{\text{m}}^{\text{E}}\)), apparent molar volumes (\(V_{{\upphi{\text{i}}}}\)), partial molar volume (\(\bar{V}_{\text{i}}\)) and isothermal compressibility (κ T). The thermodynamic results suggest that the structural effects and intermolecular interactions must outweigh other possible effects present in the mixtures studied.
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Acknowledgements
This work has been supported by the Fundação Educacional Inaciana Padre Sabóia de Medeiros (FEI) and Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) (Process No 04/11855-8).
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Hauk, D.B., Torres, R.B. High-pressure densities and derived properties of binary {methyl tert-butyl ether (MTBE) + alcohols} mixtures. J Therm Anal Calorim 132, 667–684 (2018). https://doi.org/10.1007/s10973-017-6874-3
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DOI: https://doi.org/10.1007/s10973-017-6874-3