Thermodynamics of binary liquid organic mixtures

Kehiaian, H.V.

doi:10.1351/pac198557010015

Cited by 250 publications

(84 citation statements)

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“…Values of X I 2 calculated from eq. [2] are given in the last column of Table 3, and curves obtained from the Flory theory with these values are shown in Fig. 1 …”

Section: Resultsmentioning

confidence: 99%

Excess enthalpies of dibutyl ether + n-alkane mixtures at 298.15 K

Benson¹,

Luo²,

Lu³

1988

Can. J. Chem.

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. Can. J. Chem. 66, 531 (1988).Calorimetric measurements of excess enthalpies are reported over the entire compos~tion range for dibutyl ether + 11-heptane, + n-deeane, + n-dodecane, and + n-hexadecane at 298.15 K. The results are compared with data from the literature, and a correlation of the excess enthalpies of dibutyl ether + n-alkane mixtures in terms of the Flory theory is described. The excess thermodynamic properties of rz-ether + n-alkane mixtures have not been investigated sufficiently to provide a good understanding of the molecular interactions in such systems. Some progress has been made in the application of quasi-chemical models in terms of group surface interactions ( I ) , but further experimental studies are needed to adjust the values of the interchange coefficients to include steric and orientational effects ( 2 , 3).A recent paper (4) from our laboratory reported measurements of the excess enthalpies of the binary mixtures: diethyl ether + n-heptane, + n-decane, + n-dodecane, and + nhexadecane. As an extension of that investigation, we have determined the excess enthalpies of binary mixtures of dibutyl ether with the same set of rz-alkanes.

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“…Values of X I 2 calculated from eq. [2] are given in the last column of Table 3, and curves obtained from the Flory theory with these values are shown in Fig. 1 …”

Section: Resultsmentioning

confidence: 99%

Excess enthalpies of dibutyl ether + n-alkane mixtures at 298.15 K

Benson¹,

Luo²,

Lu³

1988

Can. J. Chem.

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show abstract

“…(19) Total pressure was measured as a function of overall composition in the equilibrium cell. Two modifications have been made to the apparatus described by Bhethanabotla and Campbell: (19) the pressure gauge has been replaced by one of 0.001 kPa resolution as described by Pradhan et al, (20) and the piston injectors have been replaced with Ruska pumps (model 2200), as used by Gibbs and Van Ness, (21) having a resolution of 0.001 cm 3 .…”

Section: Methodsmentioning

confidence: 99%

“…(3) In the framework of the TOM project, our final purpose is the characterization of these systems in terms of the DISQUAC group contribution model. (1,2) Up to now, we have contributed to this part of the OH/O project by reporting experimental data at T = 298.15 K on excess enthalpies, excess volumes, and excess heat capacities at constant pressure for mixtures containing alkoxyethanols and different organic solvents.…”

Section: Introductionmentioning

confidence: 99%