BRAINCAKE

Recrystallisation

OCR A-level Organic ChemistryOrganic SynthesisLesson 4 of 9

Recrystallisation purifies an impure organic solid. It works because the product and the impurities have different solubilities in a chosen solvent.

A suitable solvent dissolves the product well when hot but poorly when cold. Soluble impurities, present in small amounts, stay dissolved when the solution cools.

Method:

Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz

BrainCake is free. Make an account in seconds and pick up where this page stops.

More in Organic Synthesis

All 9 lessons in Organic Synthesis · All OCR A-level Organic Chemistry topics