|Heating under reflux enables a
mixture including volatile materials to be heated for a long time without loss of solvent.
The system is designed to keep materials in the flask - it follows, therefore, that any
apparatus attached to the top of the condenser is redundant.
Dr Rod Beavon 17 Dean's Yard London SW1P 3PB
Chemistry Contents Simple distillation Fractional distillation Gas preparation Drawing introduction
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