Title: peak width at base
Long Title: IUPAC Gold Book - peak width at base
DOI: 10.1351/goldbook.09903
Status: current

Definition
Peak width at peak base intercepted by tangents to the chromatogram drawn at the inflection points on either side of the peak. Represented by the line AB in the peak height figure.

Source
- PAC, 2017, 90, 181. 'Terminology of separation methods (IUPAC Recommendations 2017)' on page 195 (https://doi.org/10.1515/pac-2017-0111)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/09903/html
- json: https://goldbook.iupac.org/terms/view/09903/json
- xml: https://goldbook.iupac.org/terms/view/09903/xml

Citation: Citation: 'peak width at base' 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.09903
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Accessed: 2026-07-25T18:38:40+00:00