Title: shut-down state Long Title: IUPAC Gold Book - shut-down state DOI: 10.1351/goldbook.S05650 Status: current Definition The condition of an instrument when it is switched off to conserve energy or reagents or to protect working parts. This term is of particular importance in clinical chemistry. Source - PAC, 1989, 61, 1657. 'Nomenclature for automated and mechanised analysis (Recommendations 1989)' on page 1664 (https://doi.org/10.1351/pac198961091657) Other Outputs - html: https://goldbook.iupac.org/terms/view/S05650/html - json: https://goldbook.iupac.org/terms/view/S05650/json - xml: https://goldbook.iupac.org/terms/view/S05650/xml Citation: Citation: 'shut-down state' 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.S05650 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: 2026-04-20T19:06:41+00:00