Term: fractionation
https://doi.org/10.1351/goldbook.F02497

Definition:
A process by means of which macromolecular species differing in some characteristic (chemical composition, relative molecular mass, branching, stereoregularity, etc.) are separated from each other.

Related Terms:
1) macromolecular (http://doi.org/10.1351/goldbook.M03667).
2) relative molecular mass (http://doi.org/10.1351/goldbook.R05271).

Source: Purple Book, 1st ed., p. 68 (http://old.iupac.org/publications/books/author/metanomski.html)

Citation: 'fractionation' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.F02497

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