A process by means of which @M03667@ species differing in some characteristic (chemical composition, @R05271@, branching, stereoregularity, etc.) are separated from each other.
Source: Purple Book, 1st ed., p. 68 [Terms] [Book]
Citation: 'fractionation' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.F02497 RISBibTexEndNote