2009
DOI: 10.1021/je801006q
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Densities, Viscosities, and Excess Molar Enthalpies of 2-Pyrrolidone + Butanol Isomers at T = (293.15, 298.15, and 303.15) K

Abstract: The experimental densities ρ, and viscosities η, of binary mixtures of 2-pyrrolidone with butanol isomers: 1-butanol, 2-methyl-1-propanol, 2-butanol, and 2-methyl-2-propanol have been measured at T = (293.15, 298.15, and 303.15) K and atmospheric pressure over the whole mole fraction range. From these data, excess molar volumes, V E, and viscosity deviations, η, have been calculated at various temperatures. Both excess molar volumes and viscosity deviations are negative for all investigated systems. The excess… Show more

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Cited by 20 publications
(15 citation statements)
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“…The quality of our data was verified by comparing densities and viscosities experimental data obtained in this work with literature values, ,,,,, showing a good agreement, as may be seen in Table .…”
Section: Results and Discussionsupporting
confidence: 74%
See 1 more Smart Citation
“…The quality of our data was verified by comparing densities and viscosities experimental data obtained in this work with literature values, ,,,,, showing a good agreement, as may be seen in Table .…”
Section: Results and Discussionsupporting
confidence: 74%
“… a The estimated error in density and viscosity measurements are ± 0.0002 g·cm –3 and ± 0.30 %, respectively. b Reference . c Reference . d Reference . e Reference . f Reference . g Reference . h Reference . i Reference . j Reference . k Reference . l Reference . m Reference . n Reference . o Reference . p Reference . q Reference . r Reference . s R . …”
Section: Results and Discussionmentioning
confidence: 99%
“…The density and viscosity of the pure compounds were compared to literature data [9][10][11][12][13][14][15][16] in table 1. As this table shows the agreement with the literature, data in most of cases are satisfactory.…”
Section: Chemicalsmentioning
confidence: 99%
“…Therefore, values of the partial molar volumes at infinite dilution provide information about solute-solvent interactions that are independent of the composition. These quantities may be obtained by putting x 1 = 0 in the equations (13) and (14) to give,…”
Section: Excess Properties Of Mixturesmentioning
confidence: 99%
“…We term this fluid “30:30:40”. 2-Pyrrolidone and ethylene glycol have viscosities of 13.3 and 16.1 mPa s, respectively (water: 0.89 mPa s) [ 63 , 64 , 65 ]. Experiments with varied composition (P:E:W = 30:30:40, 40:30:40, 30:40:30 and 40:40:20) did not show significant differences.…”
Section: Methodsmentioning
confidence: 99%