{"term":{"id":"15359","title":"solubility constant","longtitle":"IUPAC Gold Book - solubility constant","doi":"10.1351\/goldbook.15359","code":"15359","status":"current","definitions":[{"id":1,"text":"Generalization of solubility product to include, for example, undissociated salt or uncharged cation-anion pair as solute, reaction between solution species and the cation or anion of the solid salt, and gas-solution equilibria.","notes":{"1":"The solubility constant can also be considered in many cases as relating to a solubility equilibrium as described under solubility product plus one or more simultaneous homogeneous equilibria in solution."},"sources":["PAC, 2008, 80, 233. 'Glossary of terms related to solubility (IUPAC Recommendations 2008)' on page 264 (https:\/\/doi.org\/10.1351\/pac200880020233)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/15359\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/15359\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/15359\/plain"},"citation":"Citation: 'solubility constant' 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.15359","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":"2026-06-28T18:50:50+00:00"}}