Term: sol
https://doi.org/10.1351/goldbook.S05727

Definition:
A fluid colloidal system of two or more components, e.g. a protein sol, a gold sol, an emulsion, a surfactant solution above the critical micelle concentration.

Related Terms:
1) colloidal (http://doi.org/10.1351/goldbook.C01172).
2) emulsion (http://doi.org/10.1351/goldbook.E02065).
3) surfactant (http://doi.org/10.1351/goldbook.S06194).
4) critical micelle concentration (http://doi.org/10.1351/goldbook.C01395).

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 606 (https://doi.org/10.1351/pac197231040577)

Citation: 'sol' 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.S05727

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.

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