Title: acid digestion
Long Title: IUPAC Gold Book - acid digestion
DOI: 10.1351/goldbook.10232
Status: current

Definition
Process in which the sample (analyte and matrix) is dissolved by an acid.

Notes
1) Acid digestion can also be used to remove a matrix constituent by selective volatilization, e.g. silicon by the use of hydrofluoric acid.
2) Acid digestion can be performed in closed or open vessels.

Source
- PAC, 2016, 88, 517. 'Glossary of terms used in extraction (IUPAC Recommendations 2016)' on page 539 (https://doi.org/10.1515/pac-2015-0903)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/10232/html
- json: https://goldbook.iupac.org/terms/view/10232/json
- xml: https://goldbook.iupac.org/terms/view/10232/xml

Citation: 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
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Accessed: 2026-06-29T08:34:10+00:00