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Conductivity and viscosity changes of imidazolium ionic liquids induced by H2O and CO2

Abstract

Several solutions of ionic liquids based on 1-ethyl-3-methylimidazolium cation saturated and unsaturated with carbon dioxide were prepared and characterized by electrochemical impedance spectroscopy. The in fluence of ILs saturation on its electrical conductivity was determined. Additionally, the in fluence of the water presence and variations of temperature on electrical properties of ionic liquids were investigated. Changes of conductivity due to saturation and water content are discussed. Obtained results show that the ionic liquids conductivity significantly depends on the water content. It was shown that the increase of the conductivity cannot be explained by partial conductivities of hydronium, bicarbonate and hydroxide ions.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
JOURNAL OF MOLECULAR LIQUIDS no. 221, pages 541 - 546,
ISSN: 0167-7322
Language:
English
Publication year:
2016
Bibliographic description:
Aranowski R., Cichowska-Kopczyńska I., Dębski B., Jasiński P.: Conductivity and viscosity changes of imidazolium ionic liquids induced by H2O and CO2// JOURNAL OF MOLECULAR LIQUIDS. -Vol. 221, (2016), s.541-546
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.molliq.2016.06.0100
Verified by:
Gdańsk University of Technology

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