- (in an ion exchanger)
the mobile exchangeable ions.
PAC, 1993, 65, 819
(Nomenclature for chromatography (IUPAC Recommendations 1993))
on page 854
- (in colloid chemistry)
ions of low relative molecular mass, with a charge opposite to that of the colloidal ion.
PAC, 1972, 31, 577
(Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix
II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry)
on page 607