Vacuum Distillation

A distillation method which involves reducing the pressure above a liquid mixture to be distilled to less than its vapour pressure. This causes evaporation of the most volatile liquid.

This works on the principle that boiling occurs when a liquid′s vapour pressure exceeds the ambient pressure.

This can be used with or without heating the solution.

See also: Distillation, Vapour Pressure.

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Subjects: Chemistry