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Heterogeneity of OH groups in mordenites: IR studies of benzene and carbon monoxide sorption and NMR studies

✍ Scribed by J Datka; B Gil; J Wȩglarski

Book ID
104431374
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
151 KB
Volume
21
Category
Article
ISSN
1387-1811

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By measurement of MAS prol@n magneuc resonance and near-infrared spes~ra. the ex~sw.ncc of bridging hydroxyl groups in MgNaA and CaNaA zeohle~ 1s excluded. The MAS proton magnclic resonance lines observed ar 2.5-3 ppm for CaNaA and at 3.5 pprn ror MgNaA (apart from the small contribuGons of "~erminn