Thermophysical Properties of the 2-Methylpropan-1-ol + Cyclohexane + Benzene Ternary System and Its Binary Subsystems Within the Temperature Range (293.15–333.15) K and Under Ambient Pressure

Aliaj, Fisnik; Gjevori, Altin; Llozana, Artan; Syla, Naim; Zenuni, Granita; Arbneshi, Tahir; Zeqiraj, Arbër

doi:10.1007/s10765-023-03222-1

Cited by 6 publications

(17 citation statements)

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“…The measured densities ρ and sound speeds u at temperatures from 293.15 to 333.15 K and under an ambient pressure of ∼950 hPa for the mixtures of cyclohexane with alkyl-substituted benzenes (toluene, ethylbenzene, and o -, m -, p -xylene) are recorded in Tables – . Our recently published paper reported the cyclohexane + benzene system’s densities and sound speeds . The experimental results reasonably agree with the literature values.…”

Section: Resultssupporting

confidence: 87%

“…The purity of the substances was checked by measuring their densities and sound speeds at 298.15 K and comparing them with the literature data. ,− ,− Table shows that experimental values for toluene, o -, m -, p -xylene, and ethylbenzene are in good agreement with the literature. The results for cyclohexane and benzene are reported in our previous paper …”

Section: Methodsmentioning

confidence: 78%

“… a Standard deviations of the fit are denoted as σ. b Standard uncertainties are u ( T ) = 0.01 K; expanded uncertainties at a 0.95 level of confidence are U ( V m E ) = 0.007 cm 3 ·mol –1 and U (κ S E ) = 0.6 TPa –1 . c First published in our earlier paper: ref . …”

Section: Resultsmentioning

confidence: 99%

“… a Standard uncertainties are u ( T ) = 0.01 K, u ( x 1 ) = 0.0001; expanded uncertainties at a 0.95 level of confidence are U (ρ) = 0.0005 g·cm –3 , U ( u ) = 0.5 m·s –1 , U ( V m E ) = 0.006 cm 3 ·mol –1 , and U (κ S E ) = 0.6 TPa –1 . b First appeared in our recently published paper: ref . …”

Section: Resultsmentioning

confidence: 99%

“…Excess isentropic compressibilities κ S E at a temperature of 298.15 K for (●) cyclohexane + benzene, (▲) cyclohexane + toluene, (▼) cyclohexane + ethylbenzene, (■) cyclohexane + o -xylene, (⧫) cyclohexane + m -xylene, and (★) cyclohexane + p -xylene mixtures; x 1 is the mole fraction of cyclohexane. Lines were obtained using a Redlich–Kister polynomial fitting.…”

Section: Resultsmentioning

confidence: 99%

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Densities and Sound Speeds of Binary Mixtures of Cyclohexane + Benzene (or Toluene, or Ethylbenzene or o-, m-, p-Xylene) within the Temperature Range of 293.15–333.15 K and Ambient Pressure: Experimental, Correlation, and Modeling Study

Zeqiraj,

Hernández,

Syla

et al. 2023

J. Chem. Eng. Data

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This paper is a combined experimental, correlation, and modeling study of binary mixtures of cyclohexane with benzene and some alkyl-substituted benzenes, namely, toluene, ethylbenzene, o-, m-, and p-xylene. Experimental densities and sound speeds are reported at temperatures from 293.15 to 333.15 K and under local atmospheric pressure. Excess molar volumes, derived from experimental densities, excess isentropic compressibilities, derived from experimental densities, and sound speeds, calculated isobaric cubic expansivities, and literature heat capacities were correlated by Redlich−Kister polynomials and discussed. Further, the experimental densities, sound speeds, and related derived properties, namely, isobaric cubic expansivities and isentropic compressibilities, of the mixtures were correlated with the Jouyban−Acree model. The average absolute deviations of the correlated values from the experimental ones were better than 0.02, 0.06, 0.4, and 0.14% for density, sound speed, isobaric cubic expansivity, and isentropic compressibility, respectively. In addition, the results obtained from applying the perturbed chain statistical associating fluid theory equation of state and Schaff's collision factor theory for modeling densities and sound speeds show the versatility of these models for thermodynamic modeling and prediction in systems of varying complexity.

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Section: Resultssupporting

confidence: 87%