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How ideal are binary mixtures of room-temperature ionic liquids?
Journal article   Open access   Peer reviewed

How ideal are binary mixtures of room-temperature ionic liquids?

A. Stoppa, R. Buchner and G. Hefter
Journal of Molecular Liquids, Vol.153(1), pp.46-51
2010
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Abstract

Room-temperature ionic liquids Imidazolium salts Dielectric spectroscopy Transport properties Excess properties
Data for the densities, conductivities, viscosities and dielectric properties of binary mixtures of the tetrafluoroborate and the dicyanamide salts of 1-N-ethyl-3-N-methylimidazolium have been measured at 25 °C. The mixtures exhibit practically "ideal" (linear) mixing behaviour with respect to viscosity, molar volume, and the effective dipole moment of the observed relaxation associated with cation reorientation, indicating a smooth change in the structure of the mixtures. On the other hand, the electrical conductivity and dielectric relaxation time deviate considerably from "ideal" mixing behaviour, indicating enhanced translational and rotational dynamics in the mixtures.

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
2 Chemistry
2.89 Ionic, Molecular & Complex Liquids
2.89.508 Ionic Liquids
Web Of Science research areas
Chemistry, Physical
Physics, Atomic, Molecular & Chemical
ESI research areas
Chemistry
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