Title: density inversion Long Title: IUPAC Gold Book - density inversion DOI: 10.1351/goldbook.D01591 Status: current Definition The interchange of the denser and less dense phases due to changes in solute concentration. phase inversion is often used in this context but is ambiguous. Related Term - phase inversion: https://goldbook.iupac.org//terms/view/P04530 Source - PAC, 1993, 65, 2373. 'Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations 1993)' on page 2387 (https://doi.org/10.1351/pac199365112373) Other Outputs - html: https://goldbook.iupac.org/terms/view/D01591/html - json: https://goldbook.iupac.org/terms/view/D01591/json - xml: https://goldbook.iupac.org/terms/view/D01591/xml Citation: Citation: 'density inversion' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.D01591 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. Accessed: 2026-08-06T13:37:55+00:00