09653 IUPAC Gold Book - urine 10.1351/goldbook.09653 09653 current 1 Fluid containing metabolic products that is excreted by the kidneys, stored in the bladder, and normally discharged by way of the urethra. PAC, 2018, 90, 1121. 'Terminology of bioanalytical methods (IUPAC Recommendations 2018)' on page 1126 (https://doi.org/10.1515/pac-2016-1120) https://goldbook.iupac.org/terms/view/09653/html https://goldbook.iupac.org/terms/view/09653/json https://goldbook.iupac.org/terms/view/09653/plain Citation: 'urine' 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.09653 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. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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. 2026-08-02T12:13:59+00:00