dynamic extraction

https://doi.org/10.1351/goldbook.10172

Extraction in which clean (or recycled) extraction phase is continuously passed through the sample.

Note: The extraction phase can be a gas or a liquid.
Source:
PAC, 2016, 88, 517. (Glossary of terms used in extraction (IUPAC Recommendations 2016)) on page 522 [Terms] [Paper]