Definition of "chemisorption" [chemisorption]

• The process in which a substance is adsorbed on the surface of another by means of chemical rather than physical bonding (noun)

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• "The subject of his thesis was the thermogravimetric study of active sites in the process of low-temperature oxidation of char, where he demonstrated that oxygen chemisorption on carbon is strongly temperature and pressure-dependent."
• "Do you think a covalent bond occurs between the two (i. e chemisorption)? or it is physiorption?"
• "The PICO-TRAP System combines the principles of chemisorption and physisorption to achieve higher levels of process gas purity than by conventional purification technologies, according to the company."