fractionation

[ frak-shuh-ney-shuhn ]

Phonetic (Standard)IPA

noun

fractionation

/ frăk′shə-nā′shən /

The separation of a chemical compound into components by fractional crystallization or fractional distillation.

First recorded in 1925–30; fractionate + -ion

This is purified by fractionation in iron stills and distillation over caustic soda.

Various methods of fractionation are similarly available, chiefly the precipitation of the intermediate 'dextrins' by alcohol.

Or the separation may be effected by a method of fractionation as described above.

This doubling or fractionation of the consciousness and personality have often been described in the case of hysterical subjects.

An improved form of apparatus for the fractionation is represented in fig. 9.

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