A
flotation process in which the material of interest, adsorbed on the surface of gas bubbles
in a liquid, is collected on an upper layer of immiscible liquid. There is no liquid-phase
mixing in the bulk of the system; as a result recoveries can approach 100%.
Source:
PAC, 1993, 65, 2373
(Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations
1993))
on page 2379