What does adsorption mean?

Definitions for adsorption
ædˈsɔrp ʃən, -ˈzɔrp-ad·sorp·tion

This dictionary definitions page includes all the possible meanings, example usage and translations of the word adsorption.

Princeton's WordNet

  1. adsorption, surface assimilationnoun

    the accumulation of molecules of a gas to form a thin film on the surface of a solid

Wiktionary

  1. adsorptionnoun

    The adhesion of a liquid or gas on the surface of a solid material, forming a thin film on the surface. Not to be confused with the process of absorption.

Wikipedia

  1. Adsorption

    Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface. This process creates a film of the adsorbate on the surface of the adsorbent. This process differs from absorption, in which a fluid (the absorbate) is dissolved by or permeates a liquid or solid (the absorbent). Adsorption is a surface phenomenon, while absorption involves the whole volume of the material, although adsorption does often precede absorption. The term sorption encompasses both processes, while desorption is the reverse of it. Like surface tension, adsorption is a consequence of surface energy. In a bulk material, all the bonding requirements (be they ionic, covalent or metallic) of the constituent atoms of the material are fulfilled by other atoms in the material. However, atoms on the surface of the adsorbent are not wholly surrounded by other adsorbent atoms and therefore can attract adsorbates. The exact nature of the bonding depends on the details of the species involved, but the adsorption process is generally classified as physisorption (characteristic of weak van der Waals forces) or chemisorption (characteristic of covalent bonding). It may also occur due to electrostatic attraction.Adsorption is present in many natural, physical, biological and chemical systems and is widely used in industrial applications such as heterogeneous catalysts, activated charcoal, capturing and using waste heat to provide cold water for air conditioning and other process requirements (adsorption chillers), synthetic resins, increasing storage capacity of carbide-derived carbons and water purification. Adsorption, ion exchange and chromatography are sorption processes in which certain adsorbates are selectively transferred from the fluid phase to the surface of insoluble, rigid particles suspended in a vessel or packed in a column. Pharmaceutical industry applications, which use adsorption as a means to prolong neurological exposure to specific drugs or parts thereof, are lesser known. The word "adsorption" was coined in 1881 by German physicist Heinrich Kayser (1853–1940).

ChatGPT

  1. adsorption

    Adsorption is a surface-based process where certain particles, atoms, or molecules (known as adsorbates) adhere or bind to the surface of another solid or liquid substance (known as the adsorbent). This phenomenon usually happens at the interface between the adsorbent and a gaseous or liquid phase, creating a film or layer of adsorbate on the surface of the adsorbent. Adsorption differs from absorption, in which a substance diffuses into a liquid or solid to form a solution.

Wikidata

  1. Adsorption

    Adsorption is the adhesion of atoms, ions, or molecules from a gas, liquid, or dissolved solid to a surface. This process creates a film of the adsorbate on the surface of the adsorbent. This process differs from absorption, in which a fluid permeates or is dissolved by a liquid or solid. Note that adsorption is a surface-based process while absorption involves the whole volume of the material. The term sorption encompasses both processes, while desorption is the reverse of adsorption. It is a surface phenomenon. Similar to surface tension, adsorption is a consequence of surface energy. In a bulk material, all the bonding requirements of the constituent atoms of the material are filled by other atoms in the material. However, atoms on the surface of the adsorbent are not wholly surrounded by other adsorbent atoms and therefore can attract adsorbates. The exact nature of the bonding depends on the details of the species involved, but the adsorption process is generally classified as physisorption or chemisorption. It may also occur due to electrostatic attraction.

U.S. National Library of Medicine

  1. Adsorption

    The condensation of gases, liquids, or dissolved substances on the surfaces of solids. It includes adsorptive phenomena of bacteria and viruses as well as of tissues treated with exogenous drugs and chemicals.

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Numerology

  1. Chaldean Numerology

    The numerical value of adsorption in Chaldean Numerology is: 6

  2. Pythagorean Numerology

    The numerical value of adsorption in Pythagorean Numerology is: 5

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"adsorption." Definitions.net. STANDS4 LLC, 2024. Web. 26 Dec. 2024. <https://www.definitions.net/definition/adsorption>.

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