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Vapour–liquid equilibrium of 2-propanol/water showing azeotropic behaviour

Azeotropes are the mixtures of liquids which boil at a constant temperature. Azeotropes may be called constant boiling point mixtures or azeotropic mixtures.[1]

Their proportions cannot be altered by simple distillation.

Types[change | change source]

Azeotropes are classified into two types

  1. Minimum boiling azeotrope
  2. Maximum boiling azeotrope

References[change | change source]

  1. Moore, Walter J. 1962. Physical chemistry. 3rd ed Prentice-Hall, p140–142.