Synthesis and physical-chemical properties of ionic liquids based on 1-n-butyl-3-methylimidazolium cationP. A.Z. Suarez, S. Einloft, J. E.L. Dullius, R. F. de Souza and J. DupontJ. Chim. Phys., 95 7 (1998) 1626-1639DOI: https://doi.org/10.1051/jcp:1998103