Title: proficiency test item
Long Title: IUPAC Gold Book - proficiency test item
DOI: 10.1351/goldbook.08100
Status: current

Definition
Sample, product, artefact, reference material, piece of equipment, measurement standard, data set, or other information used for proficiency testing.


Related Term
- proficiency testing: https://goldbook.iupac.org//terms/view/08101

Source
- PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1033 (https://doi.org/10.1515/pac-2019-0819)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/08100/html
- json: https://goldbook.iupac.org/terms/view/08100/json
- xml: https://goldbook.iupac.org/terms/view/08100/xml

Citation: Citation: 'proficiency test item' 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.08100
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: 2026-04-18T19:04:09+00:00