Term: calibration certificate https://doi.org/10.1351/goldbook.08011 Definition: Document issued by a technically competent organization providing information about a calibration. Notes: 1) The document may include a statement describing the calibration procedure and the calibrators (calibrants) applied along with the calibration curve, calibration diagram, or other presentations of the calibration. 2) Calibration certificates are often valid for a stated period of time, although this is not stipulated in ISO/IEC 17025. 3) The authority of the organization issuing the document comes from its demonstrated technical competence. Related Term: organization (http://doi.org/10.1351/goldbook.08091). Related Term: competence (http://doi.org/10.1351/goldbook.08065). Source: PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1002 (https://doi.org/10.1515/pac-2019-0819) Citation: 'calibration certificate' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.08011 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. 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.