(Liquid + liquid) equilibrium for (dimethyl phthalate+ water), (diethyl phthalate + water), and (dibutyl phthalate + water)

Temperature and composition dependence of excess Gibbs energy in the system of tetraglyme (1) + decane (2): Evaluation by simultaneous correlation of limiting activity coefficients, liquid–liquid equilibrium, and calorimetric data

“…The cell for the direct analytical method has been previously described [13]. The experimental procedure and analysis of the samples by GC have been also previously described [15][16][17]. The contents of decane and tetraglyme in the equilibrium phases were determined with an HP 6890 gas chromatograph equipped with an HP-5 cross-linked (5%-phenyl)-methylpolysiloxane capillary column (30 m × 0.32 mm × 0.25 m).…”

“…the direct analytical and turbidity methods [13,[15][16][17] that were used in this work). Direct VLE measurements, however, are not feasible due to the low vapor pressure of both compounds.…”

Liquid–liquid equilibrium in ternary systems N,N-dimethylformamide + 2-methylpentane + methanol and N,N-dimethylformamide + methylcyclohexane + methanol

“…The direct analytical method is based on analyzing samples of the conjugated phases. They were prepared in a thermostated liquid-liquid equilibrium cell [13]. Gas chromatography was employed to determine the contents of 2-methylpentane and N,N-DMF in samples of the equilibrium phases.…”

Binary liquid–liquid equilibrium in the systems containing monofunctional benzene derivates and 1,2-ethanediol

“…In this work capillary gas chromatography was employed. Heterogeneous mixtures for sampling were prepared in a thermostated equilibrium cell [8]. The liquid mixture was thermostated to a required temperature, agitated for at least 8 h, and then let stand for at least 12 h to allow the two phases separate.…”