indifferent absorbing ion

https://doi.org/10.1351/goldbook.I03008
An ion which absorbs through @[email protected] forces only and which is hence only repelled by surfaces of like sign, attracted by surfaces of opposite sign, and is not absorbed on an uncharged surface.
See also:
specifically absorbing ion
Source:
PAC, 1991, 63, 895. (Nomenclature, symbols, definitions and measurements for electrified interfaces in aqueous dispersions of solids (Recommendations 1991)) on page 899 [Terms] [Paper]