Partial Molar and Excess Volumes and Adiabatic Compressibilities of Binary Mixtures of Ethanolamines with Water |
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Authors: | Brent Hawrylak Susan E. Burke R. Palepu |
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Affiliation: | (1) Department of Chemistry, St. Francis Xavier University, Antigonish, NS, Canada, B2G 2W5 |
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Abstract: | Speed of sound and densities of solutions of mixtures of seven ethanolamineswith water were measured over the full range of composition at 25, 35, and 45°C.Results of these measurements were used to calculate adiabatic compressibilities,excess volumes, partial molar and apparent molar volumes, and apparent molarcompressibilities. Knowledge of the above properties of these mixtures are abasis for understanding some of the molecular interactions in these systems. Fromthe analysis of the results, the type of interactions between the ethanolaminesand water are discussed in terms of the number and size of the alkyl groupsattached to the nitrogen atom of ethanolamine. |
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Keywords: | Ethanolamines density speed of sound adiabatic compressibilities excess properties apparent and partial molar volumes |
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