microextraction (methology)

https://doi.org/10.1351/goldbook.11552
Extraction method characterized by a low phase ratio, so that at equilibrium the fraction extracted is low (i.e. the extraction is not exhaustive).
Source:
PAC, 2016, 88, 517. (Glossary of terms used in extraction (IUPAC Recommendations 2016)) on page 524 [Terms] [Paper]