{"term":{"id":"09046","title":"indicator consumption error","longtitle":"IUPAC Gold Book - indicator consumption error","doi":"10.1351\/goldbook.09046","code":"09046","status":"current","definitions":[{"id":1,"text":"Systematic measurement error from the reaction of a visual indicator with a reactant in a titration.","notes":{"1":"The magnitude and sign of this error depends on the amount of substance of indicator used and the nature of the interaction between the indicator and the analyte.","2":"Indicator consumption error may be expressed as a volume or mass of titrant.","3":"A significant compensation of this error usually takes place because the standardization of the titrant is carried out in similar conditions to the analysis titration.","4":"Indicator consumption error may be estimated by performing a blank titration."},"links":[{"term":"blank titration","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09036"}],"sources":["PAC, 2025, 97, 137. 'Glossary of terms for mass and volume in analytical chemistry (IUPAC Recommendations 2024)' on page 4 (https:\/\/doi.org\/10.1515\/pac-2023-0903)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/09046\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/09046\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/09046\/plain"},"citation":"Citation: 'indicator consumption error' 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.09046","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":"2026-06-06T15:34:22+00:00"}}