Term: compositional heterogeneity
https://doi.org/10.1351/goldbook.C01213

Definition:
The variation in elemental composition from molecule to molecule usually found in copolymers.

Source: Purple Book, 1st ed., p. 52 (http://old.iupac.org/publications/books/author/metanomski.html)

Citation: 'compositional heterogeneity' 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.C01213

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