Gibbs adsorption equation
Gibbs adsorption equation
[′gibz ad′sȯrp·shən i‚kwā·zhən] (physical chemistry)
A formula for a system involving a solvent and a solute, according to which there is an excess surface concentration of solute if the solute decreases the surface tension, and a deficient surface concentration of solute if the solute increases the surface tension.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.