FTIR investigation of the interaction at
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B. Onida; F. Geobaldo; F. Testa; F. Crea; E. Garrone
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Article
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1999
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Elsevier Science
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English
β 348 KB
Three different Si(OH )Al sites have been singled out in MCM-22, absorbing at 3628, 3618 and 3585 cm-1, tentatively assigned to hydroxyls located in supercages, 10-membered ring channels and six-membered rings, respectively. FTIR study of the adsorption of CO and N 2 at the nominal temperature of 77