crystallisation recrystallisation re-crystallization CHMO:0002198 https://orcid.org/0000-0001-5985-7429 recrystallization 2009-07-22T09:23:11Z re-crystallisation A technique for purifying a crystalline sample where the impure sample is dissolved in a small volume of solvent, forming a supersaturated solution. As the temperature of the solution drops, pure crystals form, the impurities remaining dissolved in the solvent.