Water effect on physicochemical properties of 1-butyl-3-methylimidazolium based ionic liquids with inorganic anions
作者： E.P. Grishina , L.M. Ramenskaya , M.S. Gruzdev , O.V. Kraeva
DOI: 10.1016/J.MOLLIQ.2012.10.023
关键词:
摘要: Abstract Room temperature ionic liquids of 1-butyl-3-methylimidazolium tetrafluoroborate, [bmim][BF 4 ], nitrate, [NO 3 ] − , phosphate, [PO 3 − and hydrogen sulfate, [HSO have been synthesized characterized by 1 H-NMR, 13 C-NMR, mass spectrometry IR spectroscopy methods. The effect nature inorganic anion on hygroscopic property has studied. Physicochemical properties such as density, viscosity, melting point, freezing glass transition, thermal decomposition specific electrical conductivity determined. influence water concentration viscosity values investigated. dependence physicochemical against content explained according to cation–anion interactions. anomalous behaviors density or for equimolecular aqueous solutions sulfate tetrafluoroborate found associated with significant restructuring. formation crystalline hydrates the composition ]x0.5H 2 O was observed.
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