SEARCH Articles Figures Tables Azeotropes separation systems Azeotropes ternary systems Azeotropic liquid-separation system Azeotropic separation system Distillation-based separation systems azeotropic behavior Heterogeneous azeotropic system Investigation of Azeotropic Points in Multicomponent Systems Note on azeotropic systems and indifferent states Phase Behaviour of Ionic Liquid Systems with Azeotropic Organic Mixtures Ternary Azeotropic System