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

/ frăk′shə-nəl /

1. 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.

Example Sentences

The team showed that these rocks are related to each other through a process known as fractional crystallization within the volcano in which they were formed.

From Science Daily

The1875 eruption of Askja volcano, Iceland: combined fractional crystallization and selective contamination in the generation of rhyolitic magma.

From Nature

“Fractional crystallization” consists in repeatedly crystallizing a salt so as to separate the substances of different solubilities.

From Project Gutenberg

In either case the two hydrocarbons are finally separated by fractional crystallization of their picrates, which are then decomposed by ammonia.

From Project Gutenberg

The oxide Eu2O3 occurs in very small quantity in the minerals of the rare earths, and was first obtained in 1896 by E, A. Demar�ay from Lecoq de Boisbaudran’s samarium; G. Urbain and H. Lacombe in 1904 obtained the pure salts by fractional crystallization of the nitric acid solution with magnesium nitrate in the presence of bismuth nitrate.

From Project Gutenberg