flow-through extraction

https://doi.org/10.1351/goldbook.10300

Extraction by flow of sample through or over the extraction phase, or vice versa, to enhance the extraction rate.

Note: The forced flow of matrix or extraction phase is controlled by an external device.
Source:
PAC, 2016, 88, 517. (Glossary of terms used in extraction (IUPAC Recommendations 2016)) on page 554 [Terms] [Paper]