Recrystallisation - Summary Notes

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Recrystallisation

Recrystallisation is a process used for the purification of an organic solid

Dissolve the impure compound in a minimum amount of hot solvent

Filter the mixture to remove insoluble impurities

Cool the mixture to allow crystals to form

Filter the mixture to remove soluble impurities

Wash the crystals formed with cold solvent

Dry the crystals

A diagram showing steps 1-3 of the process

Recrystallisation - Summary notes