physical adsorption


Also found in: Dictionary, Thesaurus, Medical.

physical adsorption

[′fiz·ə·kəl ad′sȯrp·shən]
(physical chemistry)
Reversible adsorption in which the adsorbate is held by weak physical forces.
Mentioned in ?
References in periodicals archive ?
From the above studies it can be shown that commercial activated carbon is a good adsorbent for an insoluble disperse red dye and the adsorption process is a physical adsorption on the surface of the adsorbent and follows the BET isotherm model.
The unique properties of MCM-41 make it suitable for enzyme immobilization through physical adsorption and covalent binding methods.
112 kJ/mol) calculated from D-R isotherm suggested that physical adsorption may play a role in this removal process.
The drawbacks of metal chloride-ammonia pairs are: 1) they require more energy to remove the adsorbed molecules than in physical adsorption, and 2) adsorption performance is degraded because of salt swelling and agglomeration in repeated adsorption/desorption processes.
The SIAC, on the other hand, displayed a combination of surface precipitation and non-specific physical adsorption.
In an ELISA, a biological substance (antibody or antigen) must first be immobilized onto the inner surfaces of polystyrene microtiter wells, usually by physical adsorption.
which is a commonly used method of determining the specific surface of solids by the physical adsorption of a gas on the surface of a solid.
However, the adsorption of gold cyanide (and several other similar metal complexes) appears to be more like a chemical reaction than a physical adsorption.
suggests its capability to fight metal toxicity by interacting and binding with toxic metals through chemical and/or physical adsorption, ion exchange, complexation, coordination and micro precipitation etc.
The absolute value of [DELTA]H was larger than the common physical adsorption heat (40 kJ [mol.

Full browser ?