extract (noun)

The separated phase (often but not necessarily organic) that contains the material extracted from the other phase. Where appropriate the term 'loaded solvent' may be used, but is not recommended.
Orange Book, 2nd ed., p. 91 [Terms]
PAC, 1993, 65, 2373. (Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations 1993)) on page 2380 [Terms] [Paper]