Adsorption of Nitrogen, Oxygen, and Argon Vapors on Fine-Pore Oxide Materials

ISSN： 0023-1584

Source： Kinetics and Catalysis, Vol.46, Iss.3, 2005-05, pp. : 403-406

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Abstract

A comparative study of the adsorption of N₂, O₂, and Ar vapors on supermicroporous and fine-mesopore silica at 77 K is carried out. The oxygen sorption properties of these silica materials, like those of tin oxide and zirconia (earlier studied materials), are affected by supermicropores. Argon sorption is insensitive to the presence of supermicropores. Fine mesopores also have an effect on the oxygen sorption properties of silica.

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