Title: test solution Long Title: IUPAC Gold Book - test solution DOI: 10.1351/goldbook.T06286 Status: current Definition The solution prepared from the test portion for the analytical procedure. The proportions of test portion and solvent are normally known. Related Term - test portion: https://goldbook.iupac.org//terms/view/T06284 Source - PAC, 1989, 61, 1657. 'Nomenclature for automated and mechanised analysis (Recommendations 1989)' on page 1660 (https://doi.org/10.1351/pac198961091657) Related Reference - PAC, 1990, 62, 1193. 'Nomenclature for sampling in analytical chemistry (Recommendations 1990)' on page 1206 (https://doi.org/10.1351/pac199062061193) Other Outputs - html: https://goldbook.iupac.org/terms/view/T06286/html - json: https://goldbook.iupac.org/terms/view/T06286/json - xml: https://goldbook.iupac.org/terms/view/T06286/xml Citation: Citation: 'test solution' 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.T06286 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: 2026-04-27T16:01:14+00:00