an adsorption process in which an adsorbate is held on the surface of an adsorbent by chemical bonds, adsorption which results from chemical bond formation (strong interaction) between the adsorbent and the adsorbate in a monolayer on the surface, gaasi, vedeliku v selle mõne komponendi neeldumine vedelikus v tahkes aines v kogunemine nende pinnale keemilise reaktsiooni tulemusena