adsorption (redirected from Physical adsorption)

adsorption /ad·sorp·tion/ (ad-sorp´shun) the action of a substance in attracting and holding other materials or particles on its surface.

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ad·sorp·tion (d-zôrpshn)

n.

The property of a solid or liquid to attract and hold to its surface a gas, liquid, solute, or suspension.

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Adsorption

The binding of a chemical (e.g., drug or poison) to a solid material such as activated charcoal or clay.

Mentioned in: Charcoal, Activated

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adsorption

[adsôrp′shən]

Etymology: L, ad + sorbere, to suck in

a natural process whereby molecules of a gas or liquid adhere to the surface of a solid. The phenomenon depends on an assortment of factors such as surface tension and electrical charges. Many biologic reactions involve adsorption. Adsorption is the principle on which chromatography is based and which allows for the separation of a mixture into component fractions for qualitative analysis. See also chromatography. adsorb, v.

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adsorption [ad-sorp´shun]

the action of a substance in attracting and holding other materials or particles on its surface; see also absorption.

attachment (def. 2).

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adsorption,

n a process in which gaseous material builds up on the outermost layer of a solid and forms a light film.

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adsorption,

n a natural process whereby molecules of a gas or liquid adhere to the surface of a solid.

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adsorption

the action of a substance in attracting and holding other materials or particles on its surface.