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EnglishThe standard enthalpies of solvation of selected n-alkanes (hexane, heptane, nonane, decane, dodecane, hexadecane) and aromatic hydrocarbons (benzene, toluene, ethylbenzene) in 1-octanol and di-n-butyl ether (DBE) have been determined at 298.15K from experimental heats of solution. The values obtained, together with the data collected from literature, form a dataset of 89 and 59 enthalpies of solvation in 1-octanol and di-n-butyl ether, respectively. The data have been employed for setting up a group contributions scheme to the enthalpies of solvation of organic compounds in the two solvents. Two different methods, the first based on a multiple regression analysis, the second consisting by a step procedure which takes the n-alkanes as reference compounds, have been used to calculate the values of the contributions. The different results obtained with these approaches have been compared and discussed.
| Autori interni: | |
| Autori: | BERNAZZANI L; GIANNI P; MOLLICA V; PIZZOLLA P |
| Titolo: | Group contributions to enthalpies of solvation in octan-1-ol and di-n-butyl ether |
| Anno del prodotto: | 2004 |
| Digital Object Identifier (DOI): | 10.1016/j.tca.2003.11.047 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/11568/187254
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