Title: electro-osmotic pressure
Long Title: IUPAC Gold Book - electro-osmotic pressure
DOI: 10.1351/goldbook.E02017
Status: current

Definition
The pressure difference \(\Delta p\) across the membrane, plug, etc., needed just to stop electro-osmotic volume flow. \(\Delta p\) is positive if the higher pressure is on the high potential side.

Related Terms
- electro-osmotic volume flow: https://goldbook.iupac.org/terms/view/E02019
- membrane: https://goldbook.iupac.org/terms/view/MT06878

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

Other Outputs
- html: https://goldbook.iupac.org/terms/view/E02017/html
- json: https://goldbook.iupac.org/terms/view/E02017/json
- xml: https://goldbook.iupac.org/terms/view/E02017/xml

Citation: Citation: 'electro-osmotic pressure' 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.E02017
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Accessed: 2026-08-10T03:20:10+00:00