Recrystallization (chemistry)

Crystallization
Crystallization
Fundamentals
	Crystal; Crystal structure; Nucleation;
Concepts
	Crystallization; Crystal growth; Recrystallization; Seed crystal; Protocrystalline; Single crystal;
Methods and technology
	Boules; Bridgman–Stockbarger method; Van Arkel–de Boer process; Czochralski method; Epitaxy; Flux method; Fractional crystallization; Fractional freezing; Hydrothermal synthesis; Kyropoulos method; Laser-heated pedestal growth; Micro-pulling-down; Shaping processes in crystal growth; Skull crucible; Verneuil method; Zone melting;

In chemistry, recrystallization is a technique used to purify chemicals. By dissolving a mixture of a compound and impurities in an appropriate solvent, either the desired compound or impurities can be removed from the solution, leaving the other behind. It is named for the crystals often formed when the compound precipitates out. Alternatively, recrystallization can refer to the natural growth of larger ice crystals at the expense of smaller ones.

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