Estimation of fluid-fluid interfacial tensions of multicomponent mixtures

Jufu, Fu; Li, Buqiang; Wang, Zi-Hao

doi:10.1016/0009-2509(86)80055-0

Cited by 142 publications

(38 citation statements)

References 12 publications

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“…Apart from the heptane/water two-phase system and the hexane/water two-phase system the measured interfacial tension agrees well with the values given by Jufu et al (1986). The measured interfacial tension for the heptane/water two-phase system and the hexane/water twophase system differ significantly, while the values given by Jufu et al (1986) are almost equal. However, Scheele and Meister give a value of 36.2 N/m for the interfacial tension of the heptane/water two-phase system.…”

Section: Resultssupporting

confidence: 85%

Flow regimes in centrifugal partition chromatography

et al. 1998

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Section: Resultssupporting

confidence: 85%

Flow regimes in centrifugal partition chromatography

et al. 1998

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“…The time criterion of 3 middrop was found to be adequate as drop times longer than that gave the same values of the interfacial tension. The apparatus was calibrated using water/toIuene, waterlhexane and waterln-pentanol systems and the IFT values obtained were 36.15, 50.0 and 2.0 mN/m, respectively, which compare well with the reported values of 36.1, 48.75 and 1.8 mN/m for the same systems (Jufu et al, 1986). All the experiments with phenol were conducted with alkaline medium (pH 10.5).…”

Section: Apparatussupporting

confidence: 79%

Effect of phase transfer catalysts on the interfacial tension of water/toluene system

Dutta

Patil

1993

Can. J. Chem. Eng.

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The effect on the interfacial tension of the water toluene system has been studied at 25 °C in the presence of four phase‐transfer catalysts i.e. tricaprylmethyl ammonium chloride, hexadecyltrimethyl ammonium chloride, hex‐adecytrimethyl ammonium bromide and hexadecyltributyl phosphonium bromide. The interfacial tension of aqueous phenol/resorcinol‐toluene in the presence and absence of tricaprylmethyl ammonium chloride has also been reported. Attempt has been made to elucidate the change in volumetric rate of extraction with different catalysts for two phase reactions, on the basis of interfacial tension.

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“…The measured value is the same value of 36.1 mN‚m -1 reported in the literature. 11,12 The uncertainty in measurement results is estimated to be within (0.1 mN‚m -1 .…”

Section: Methodsmentioning

confidence: 99%

Interfacial Tension of Toluene + Water + Sodium Dodecyl Sulfate from (20 to 50) °C and pH between 4 and 9

Saien

Akbari

2006

J. Chem. Eng. Data

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Interfacial tension of toluene + water + sodium dodecyl sulfate is reported over the aqueous surfactant concentration range of (0 to 34.68 × 10 -5 ) mol‚L -1 , the temperature range of (20 to 50)°C, and the pH range of 4 to 9. This system is frequently used as a high interfacial tension system for liquid-liquid extraction investigations. The measurements were made by the drop-weight method, and interfacial tension values ranged from (23.1 to 38.1) mN‚m -1 . The data show a nonlinear decrease with increasing surfactant concentration and temperature; however, there is almost a linear decrease with increasing pH. The interfacial pressure is also derived. The obtained data were correlated by empirical equations.

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Estimation of fluid-fluid interfacial tensions of multicomponent mixtures

Cited by 142 publications

References 12 publications

Flow regimes in centrifugal partition chromatography

Flow regimes in centrifugal partition chromatography

Effect of phase transfer catalysts on the interfacial tension of water/toluene system

Interfacial Tension of Toluene + Water + Sodium Dodecyl Sulfate from (20 to 50) °C and pH between 4 and 9

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