desorption
(diːˈsɔːpʃən)
[f. de-, after adsorption.]
The liberation of a substance from the surface upon which it is adsorbed or from the liquid in which it is dissolved.
1924 Proc. R. Soc. A. CVI. 68 The desorption of a fresh film of carbon monoxide from tungsten. 1937 Nature 17 July 108/1 It seems possible that the existence of a sharp transition temperature may be associated with the desorption of gas from a film originally formed under poor vacuum conditions. 1955 R. E. Treybal Mass-Transfer Operations i. 3 If air is brought into contact with an ammonia-water solution, some of the ammonia leaves the liquid and enters the gas phase, an operation known as desorption or stripping. |