“…The sampling is performed using a Hamilton gas-tight glass and PTFE syringe, which is kept warmer than the equilibration temperature during the sampling and weighing process to avoid the loss of water by phase separation on cooling. As in the previous studies [29,40], frequent verification of the solubility of water in n-heptane ensures the stability of the measurements and the internal consistency of the obtained data. The careful evaluation of these results is consistent with an intrinsic relative dispersion of the method of up to 5%.…”
Section: Methodsmentioning
confidence: 59%
“…One would expect that a series of solubility measurements performed in the same laboratory, by the same researchers and using the exact same procedure, has a degree of internal consistence that allows a more detailed analysis. For this reason, we previously performed a series of experimental measurements of the temperature dependence of the solubility of water in four n-alkanes [40] and five n-perfluoroalkylalkanes [29]; furthermore, in our current work we report new solubility measurements of water in n-perfluorohexane and in an equimolar mixture of n-hexane + n-perfluorohexane.…”
Section: Resultsmentioning
confidence: 99%
“…The solubility of water in n-perfluorohexane and in an equimolar mixture of n-hexane and n-perfluorohexane are determined following the same procedure used in previous work from our laboratory [29,40]. In summary, the equilibration between the aqueous and organic phases is achieved after a minimum of 24 h of direct contact between the phases, inside thermostated glass flasks.…”
Section: Methodsmentioning
confidence: 99%
“…In recent work [29] we reported experimental data for the solubility of water in liquid PFAAs as a function of temperature, which demonstrated the existence of a specific interaction between the water molecule and the electric dipole that exists at the link between the hydrogenated and perfluorinated n-alkyl segments. The molecular organisation in the aqueous solutions of PFAAs solutions was further investigated using atomistic moleculardynamics simulations, providing information about the location of water molecules within the complex nanostructures of PFAAs.…”
Section: Introductionmentioning
confidence: 99%
“…The SAFT-γ Mie group-contribution approach is also used to model the recently reported [29] experimental solubility of water in a number of PFAAs systems with varying relative lengths of the hydrogenated and perfluorinated chains. In order to model these systems, it is necessary to characterise the interaction between water and the CH 2 CF 2 junction (group), which is known to be responsible for the increased solubility of water in these substances.…”
2021): Solubility of water in mixtures of (n-alkanes + n-perfluoroalkanes) and in n-perfluoroalkylalkanes: experiments and modelling with the SAFT-γ Mie group-contribution approach, Molecular Physics,
“…The sampling is performed using a Hamilton gas-tight glass and PTFE syringe, which is kept warmer than the equilibration temperature during the sampling and weighing process to avoid the loss of water by phase separation on cooling. As in the previous studies [29,40], frequent verification of the solubility of water in n-heptane ensures the stability of the measurements and the internal consistency of the obtained data. The careful evaluation of these results is consistent with an intrinsic relative dispersion of the method of up to 5%.…”
Section: Methodsmentioning
confidence: 59%
“…One would expect that a series of solubility measurements performed in the same laboratory, by the same researchers and using the exact same procedure, has a degree of internal consistence that allows a more detailed analysis. For this reason, we previously performed a series of experimental measurements of the temperature dependence of the solubility of water in four n-alkanes [40] and five n-perfluoroalkylalkanes [29]; furthermore, in our current work we report new solubility measurements of water in n-perfluorohexane and in an equimolar mixture of n-hexane + n-perfluorohexane.…”
Section: Resultsmentioning
confidence: 99%
“…The solubility of water in n-perfluorohexane and in an equimolar mixture of n-hexane and n-perfluorohexane are determined following the same procedure used in previous work from our laboratory [29,40]. In summary, the equilibration between the aqueous and organic phases is achieved after a minimum of 24 h of direct contact between the phases, inside thermostated glass flasks.…”
Section: Methodsmentioning
confidence: 99%
“…In recent work [29] we reported experimental data for the solubility of water in liquid PFAAs as a function of temperature, which demonstrated the existence of a specific interaction between the water molecule and the electric dipole that exists at the link between the hydrogenated and perfluorinated n-alkyl segments. The molecular organisation in the aqueous solutions of PFAAs solutions was further investigated using atomistic moleculardynamics simulations, providing information about the location of water molecules within the complex nanostructures of PFAAs.…”
Section: Introductionmentioning
confidence: 99%
“…The SAFT-γ Mie group-contribution approach is also used to model the recently reported [29] experimental solubility of water in a number of PFAAs systems with varying relative lengths of the hydrogenated and perfluorinated chains. In order to model these systems, it is necessary to characterise the interaction between water and the CH 2 CF 2 junction (group), which is known to be responsible for the increased solubility of water in these substances.…”
2021): Solubility of water in mixtures of (n-alkanes + n-perfluoroalkanes) and in n-perfluoroalkylalkanes: experiments and modelling with the SAFT-γ Mie group-contribution approach, Molecular Physics,
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