Measurements of activity coefficients at infinite dilution for organic solutes and water in N-hexylisoquinolinium thiocyanate, [HiQuin][SCN] using GLC

► The γ13∞ for organic solutes and water in [HiQuin][SCN] have been determined. ► The basic thermodynamic functions were determined. ► Selectivity for n-heptane/xylene separation process was calculated.