Fractional-crystallization meaning

frăk'shə-nəl
A process by which a chemical compound is separated into components by crystallization. In fractional crystallization the compound is mixed with a solvent, heated, and then gradually cooled so that, as each of its constituent components crystallizes, it can be removed in its pure form from the solution.
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(physics, chemistry) The separation of two solutes from the same solution by using either a solvent or a crystallization temperature such that only one solute is supersaturated and crystallizes out.
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