in-syringe microextraction

https://doi.org/10.1351/goldbook.10303

Batch-type extraction in which the barrel of a syringe pump is used as the device for liquid-phase microextraction or dispersive solid-phase microextraction.

Source:
PAC, 2016, 88, 517. 'Glossary of terms used in extraction (IUPAC Recommendations 2016)' on page 554 (https://doi.org/10.1515/pac-2015-0903)