Title: flow rate of unburnt gas mixture Long Title: IUPAC Gold Book - flow rate of unburnt gas mixture DOI: 10.1351/goldbook.F02442 Status: current Definition The volume rate of the gas mixture of the burner tip. It depends on operating conditions such as gas pressure; the ambient temperature and pressure should also be stated. Related Term - volume rate: https://goldbook.iupac.org/terms/view/CT01101 Source - PAC, 1986, 58, 1737. 'Quantities and units in clinical chemistry: Nebulizer and flame properties in flame emission and absorption spectrometry (Recommendations 1986)' on page 1742 (https://doi.org/10.1351/pac198658121737) Other Outputs - html: https://goldbook.iupac.org/terms/view/F02442/html - json: https://goldbook.iupac.org/terms/view/F02442/json - xml: https://goldbook.iupac.org/terms/view/F02442/xml Citation: Citation: 'flow rate of unburnt gas mixture' 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.F02442 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: 2026-05-15T09:10:51+00:00