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Viscosity of liquid systems involving hydrogenated and fluorinated substances: ...
Morgado, Pedro; Black, Jana; Lewis, J. Ben; Iacovells, Christopher R.; McCabe, Clare; Martins, Luís F. G.; Filipe, Eduardo J. M.The viscosity of (hexane + perfluorohexane) mixtures has been measured at 298 K, 303 K and 308 K, over the whole composition range. The results show large negative deviations from the arithmetic mean of the viscosities of the pure components, reaching −17% at x(perfluorohexane) = 0.7. To obtain molecular level insight into the behaviour of the system, all-atom molecular dynamics simulations have been performed ...
Systems involving hydrogenated and fluorinated chains: Volumetric properties of...
Morgado, Pedro; Lewis, J. Ben; Laginhas, Carlos M. C.; Martins, Luis F. G.; McCabe, Clare; Blas, Felipe J.; Filipe, Eduardo J. M.As part of a combined experimental and theoretical study of the thermodynamic properties of perfluoroalkylalkanes (PFAAs), the liquid density of perfluorobutylpentane (F4H5), perfluorobutylhexane (F4H6), and perfluorobutyloctane (F4H8) was measured as a function of temperature from 278.15 to 353.15 K and from atmospheric pressure to 70 MPa. The liquid densities of n-perfluoropentane, n-perfluorohexane, n-perflu...
Viscosity of Liquid Perfluoroalkanes and Perfluoroalkylalkane Surfactants
Morgado, Pedro; Laginhas, Carlos M. C.; Lewis, J. Ben; McCabe, Clare; Martins, Luís F. G.; Filipe, Eduardo J. M.As part of a systematic study of the thermophysical properties of two important classes of fluorinated organic compounds (perfluoroalkanes and perfluoroalkylalkanes), viscosity measurements of four n-perfluoroalkanes and five perfluoroalkylalkanes have been carried out at atmospheric pressure and over a wide range of temperatures (278–353 K). From the experimental results the contribution to the viscosity from ...
On the Behavior of Solutions of Xenon in Liquid n-Alkanes: Solubility of Xenon ...
Bonifácio, Rui P. M. F.; Martins, Luís F. G.; McCabe, Clare; Filipe, Eduardo J. M.The solubility of xenon in liquid n-pentane and n-hexane has been studied experimentally, theoretically, and by computer simulation. Measurements of the solubility are reported for xenon + n-pentane as a function of temperature from 254 to 305 K. The uncertainty in the experimental data is less than 0.15%. The thermodynamic functions of solvation such as the standard Gibbs energy, enthalpy, and entropy of solva...
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