One- and Two-Dimensional Variable-Temperature 13C MAS NMR Studies on the Adsorption of Methane on Zeolite HY

Autor:	Eike Brunner, Harry Pfeifer, Jörg Kärger, U. Seidel
Rok vydání:	2001
Předmět:	chemistry.chemical_compound Adsorption Materials science chemistry Physical chemistry Physical and Theoretical Chemistry Zeolite Methane
Zdroj:	Scopus-Elsevier
ISSN:	2196-7156 0942-9352
Popis:	We present a 13C MAS NMR study on the adsorption of methane on HY zeolite. These investigations were carried out at temperatures ranging from 295 K to 135 K and at loadings up to 105 methane molecules per unit cell. Up to three signals appear in the 13C MAS NMR spectra. From the dependence of their intensities and chemical shifts and results of 1H PFG NMR measurements of diffusion it could be concluded that they are due to gaseous methane in the void space above the zeolite powder, to methane adsorbed in the large cavities of the HY zeolite and to methane in the pores formed by neighbouring crystallites.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20e14bf1e6e2525a869246cccb4775c6 https://doi.org/10.1524/zpch.2001.215.1.063 Zobrazit plný text záznamu