Abstract

The molar isobaric heat capacities of (methanol+1-hexyl-3-methylimidazolium tetrafluoroborate) and (methanol+1-methyl-3-octylimidazolium tetrafluoroborate) mixtures have been determined over the temperature range from 283.15K to 323.15K within the whole composition range. The excess molar heat capacities of investigated mixtures have been fitted to the Redlich–Kister equation at several selected temperatures. Positive deviations from the additivity of molar heat capacities have been observed in both examined systems. The results obtained have been discussed in terms of molecular interactions in binary mixtures.

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