Title: spread monolayer Long Title: IUPAC Gold Book - spread monolayer DOI: 10.1351/goldbook.S05894 Status: current Definition It may happen that a component is virtually insoluble in both of two adjoining phases, but is present as a monolayer between them. Such a layer can be produced by spreading. Related Term - monolayer: https://goldbook.iupac.org/terms/view/M04015 Source - PAC, 1972, 31, 577. 'Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry' on page 591 (https://doi.org/10.1351/pac197231040577) Other Outputs - html: https://goldbook.iupac.org/terms/view/S05894/html - json: https://goldbook.iupac.org/terms/view/S05894/json - xml: https://goldbook.iupac.org/terms/view/S05894/xml Citation: Citation: 'spread monolayer' 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.S05894 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: 2026-08-09T23:36:14+00:00