Volumetric properties of 2-pyrrolidone with aromatic hydrocarbons at T=(293.15, 303.15, 313.15, 323.15, 333.15, and 343.15)K

Awwad, Akl M.; Farhan, Ahlam M.

doi:10.1016/j.jct.2008.09.024

Cited by 3 publications

(1 citation statement)

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“…This work continues our systematic studies for determination of the thermodynamic properties of the binary mixtures containing 2-pyrrolidone as one component. 1,2 In recent publication, 2 we have presented the volumetric properties for mixtures of 2-pyrrolidone + aromatic hydrocarbons at various temperatures. A survey of the literature shows that Blumenshine and Sears 3 have measured the dielectric constants, viscosities, densities, and refractive indices of aqueous solution of 2-pyrrolidone at temperatures from (31 to 50) °C.…”

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confidence: 99%

Densities, Viscosities, and Excess Molar Enthalpies of 2-Pyrrolidone + Butanol Isomers at T = (293.15, 298.15, and 303.15) K

Farhan

Awwad

2009

J. Chem. Eng. Data

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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 molar enthalpies, H E, measured at 298.15 K and at atmospheric pressure for the four systems are positive over the whole mole fraction range. The experimental results have been correlated using Redlich−Kister polynomial equation, and parameters from least-squares analysis have been reported.

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