Title: direct transfer gas flow system Long Title: IUPAC Gold Book - direct transfer gas flow system DOI: 10.1351/goldbook.D01775 Status: current Definition A system in which the purge gas transports the analyte directly to the sampling or excitation sources. Source - PAC, 1992, 64, 261. 'Nomenclature, symbols, units and their usage in spectrochemical analysis - XIII. Terms related to chemical vapour generation (IUPAC Recommendations 1992)' on page 263 (https://doi.org/10.1351/pac199264020261) Other Outputs - html: https://goldbook.iupac.org/terms/view/D01775/html - json: https://goldbook.iupac.org/terms/view/D01775/json - xml: https://goldbook.iupac.org/terms/view/D01775/xml Citation: Citation: 'direct transfer gas flow system' 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.D01775 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: 2026-04-20T12:43:30+00:00