Title: residence time
Long Title: IUPAC Gold Book - residence time
DOI: 10.1351/goldbook.R05310
Status: current
Index: quantity

Definition
The average time a particle or volume element of the culture resides in a bioreactor (or other device) through which a liquid medium continously flows. residence time of the liquid is the reciprocal of dilution rate.

Related Terms
- bioreactor: https://goldbook.iupac.org/terms/view/B00662
- dilution rate: https://goldbook.iupac.org/terms/view/D01740
- residence time: https://goldbook.iupac.org/terms/view/R05309

Source
- PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 164 (https://doi.org/10.1351/pac199264010143)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/R05310/html
- json: https://goldbook.iupac.org/terms/view/R05310/json
- xml: https://goldbook.iupac.org/terms/view/R05310/xml

Citation: Citation: 'residence time' 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.R05310
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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: 2026-06-28T01:58:23+00:00