Fractional crystallization
noun
1.
(chem) the process of separating the components of a solution on the basis of their different solubilities, by means of evaporating the solution until the least soluble component crystallizes out
fractional crystallization
(frāk’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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[frak-shuh-nl-ahyz] /ˈfræk ʃə nlˌaɪz/ verb (used with or without object), fractionalized, fractionalizing. 1. to divide or splinter into fractions, sections, factions, etc.
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[frak-shuh-nl] /ˈfræk ʃə nl/ adjective 1. pertaining to ; comprising a part or the parts of a unit; constituting a : fractional numbers. 2. comparatively small; inconsiderable or insignificant: The profit on the deal was fractional. 3. Chemistry. of or noting a process, as distillation, crystallization, or oxidation, by which the component substances of a […]
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