Preferred Label : specifically absorbing ion;
IUPAC definition : Ions which possess a chemical affinity for the surface in addition to the Coulomb
interaction, where chemical is a collective adjective, embracing all interactions
other than purely Coulombic. Examples are van der Waals or hydrophobic bonding, pi-electron
exchange and complex formation. Specifically adsorbing ions can adsorb on an initially
uncharged surface and hence provide it with a charge. The term specifically adsorbed
applies to the sorption of all other ions having an affinity to the surface in addition
to the purely Coulombic contribution.;
Origin ID : S05792;
See also
Ions which possess a chemical affinity for the surface in addition to the Coulomb
interaction, where chemical is a collective adjective, embracing all interactions
other than purely Coulombic. Examples are van der Waals or hydrophobic bonding, pi-electron
exchange and complex formation. Specifically adsorbing ions can adsorb on an initially
uncharged surface and hence provide it with a charge. The term specifically adsorbed
applies to the sorption of all other ions having an affinity to the surface in addition
to the purely Coulombic contribution.
