Figure 7. Excess molar volumes (VE) of ILs+alcohols at293.15 K for (a) TPAH+1-butanol(□), TPAH+2-butanol (○) and TPAH+2-methyl-2-propanol (▵); (b) TBAH+1-butanol(□), TBAH+2-butanol (○) and TBAH+2-methyl-2-propanol (▵) at atmospheric pressure.
Solid lines correlated by the Redlich-Kister equation.