{"term":{"id":"06193","title":"surface work","longtitle":"IUPAC Gold Book - surface work","doi":"10.1351\/goldbook.S06193","code":"S06193","status":"current","definitions":[{"id":1,"text":"Surface tension is the intensive factor in the differential expression for the work required to increase the area of the surface of tension. Measured under reversible conditions at constant temperature (and normally constant pressure) and referred to unit area, this work, the so-called (differential) surface work, is equal to the static surface tension.","links":[{"term":"Surface tension","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/S06192"},{"term":"surface of tension","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/S06183"}],"sources":["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 597 (https:\/\/doi.org\/10.1351\/pac197231040577)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/S06193\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/S06193\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/S06193\/plain"},"citation":"Citation: 'surface work' 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.S06193","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":"2026-06-29T05:22:24+00:00"}}