desorbe

Desorbe is a term that can refer to a few different things, primarily in the context of chemistry and materials science. In its most common chemical usage, desorbe describes the process where a substance that has been adsorbed onto a surface is released or removed from that surface. Adsorption is the adherence of atoms, ions, or molecules from a gas, liquid, or dissolved solid to a surface. Desorption is the reverse process. This can occur due to changes in temperature, pressure, or the presence of other substances that compete for binding sites on the surface. For example, a gas held on the surface of a solid catalyst might desorb when the temperature is increased, allowing it to participate in a reaction.

The term can also be used more broadly to describe the release of something that has been contained or absorbed. For instance, in some specialized applications, it might refer to the release of trapped particles or molecules. The specific mechanism and conditions for desorption depend heavily on the nature of the adsorbed substance, the adsorbent material, and the surrounding environment. Understanding desorption is crucial in fields such as chromatography, gas separation, and the study of surface phenomena.