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