Title: simultaneous technique Long Title: IUPAC Gold Book - simultaneous technique DOI: 10.1351/goldbook.12306 Status: current Definition Indicates the measurement of two or more properties of a single sample at the same time. Note A hyphen is used to separate the abbreviations of the techniques; for example, simultaneous measurement of mass and heat flow rate (thermogravimetric analysis and differential scanning calorimetry) would be TGA-DSC. Related Term - combined technique: https://goldbook.iupac.org//terms/view/12284 Source - PAC, 2014, 86, 545. 'ICTAC nomenclature of thermal analysis (IUPAC Recommendations 2014)' on page 549 (https://doi.org/10.1515/pac-2012-0609) Other Outputs - html: https://goldbook.iupac.org/terms/view/12306/html - json: https://goldbook.iupac.org/terms/view/12306/json - xml: https://goldbook.iupac.org/terms/view/12306/xml Citation: Citation: 'simultaneous technique' 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.12306 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: 2026-06-29T00:03:09+00:00