Title: soap curd
Long Title: IUPAC Gold Book - soap curd
DOI: 10.1351/goldbook.S05722
Status: current

Definition
A gel-like mixture of fibrous soap-crystals ('curd-fibres') and their saturated solution (not a mesomorphic phase).

Related Terms
- gel: https://goldbook.iupac.org/terms/view/G02600
- mesomorphic phase: https://goldbook.iupac.org/terms/view/M03846
- saturated solution: https://goldbook.iupac.org/terms/view/S05471
- soap: https://goldbook.iupac.org/terms/view/S05721

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

Other Outputs
- html: https://goldbook.iupac.org/terms/view/S05722/html
- json: https://goldbook.iupac.org/terms/view/S05722/json
- xml: https://goldbook.iupac.org/terms/view/S05722/xml

Citation: Citation: 'soap curd' 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.S05722
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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: 2026-08-10T13:18:53+00:00