10232 IUPAC Gold Book - acid digestion 10.1351/goldbook.10232 10232 current 1 Process in which the sample (analyte and matrix) is dissolved by an acid. Acid digestion can also be used to remove a matrix constituent by selective volatilization, e.g. silicon by the use of hydrofluoric acid. Acid digestion can be performed in closed or open vessels. PAC, 2016, 88, 517. 'Glossary of terms used in extraction (IUPAC Recommendations 2016)' on page 539 (https://doi.org/10.1515/pac-2015-0903) https://goldbook.iupac.org/terms/view/10232/html https://goldbook.iupac.org/terms/view/10232/json https://goldbook.iupac.org/terms/view/10232/plain Citation: 'acid digestion' 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.10232 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. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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. 2026-06-29T08:31:13+00:00