2002 (v1)
Publication
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2006 (v1)Publication
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2008 (v1)Publication
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2002 (v1)Publication
FT-IR studies of the adsorption of nitriles show that the external surface of H-FER, H-MFI, and H-MOR carries terminal silanols and strong Lewis sites. Terminal silanols present wide heterogeneity with respect their Brønsted acidity also in relation to the zeolite structure. Bridging Si-(OH)-Al exist at the internal channel surface only of...
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2006 (v1)Publication
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Uploaded on: April 14, 2023 -
2002 (v1)Publication
The interaction of different probes with two H-MOR samples has been studied by IR. In the case of the sample with Si/Al = 10 acetonitrile perturbs all the hydroxy groups while 2,2-dimethylpropionitrile (pivalonitrile) perturbs only very few. Pyridine also perturbs all the hydroxy groups but only some of them protonate the pyridine, the others...
Uploaded on: April 14, 2023 -
2008 (v1)Publication
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Uploaded on: April 14, 2023 -
2008 (v1)Publication
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Uploaded on: April 14, 2023