Title: blank correction
Long Title: IUPAC Gold Book - blank correction
DOI: 10.1351/goldbook.08008
Status: current

Definition
Step in a measurement procedure in which the effect of a blank indication is removed from an indication.

Notes
1) The blank indication and the indication must be of the same kind of quantity.
2) A blank indication may be subtracted from an indication, or, in the case of a transmittance measurement, the indication is divided by the blank indication.

Related Terms
- blank indication: https://goldbook.iupac.org//terms/view/08009
- measurement procedure: https://goldbook.iupac.org//terms/view/08028

Source
- PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1001 (https://doi.org/10.1515/pac-2019-0819)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/08008/html
- json: https://goldbook.iupac.org/terms/view/08008/json
- xml: https://goldbook.iupac.org/terms/view/08008/xml

Citation: Citation: 'blank correction' 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.08008
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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: 2025-11-13T13:17:46+00:00