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Improved Brønsted Acidity of Mesoporous [Al]MCM-41 Material Treated with Ammonium Fluoride†

✍ Scribed by Xu, Mingcan; Wang, Wei; Seiler, Michael; Buchholz, Andreas; Hunger, Michael


Book ID
111969377
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
156 KB
Volume
106
Category
Article
ISSN
0022-3654

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Acidity of mesoporous HZSM-5 prepared using amphiphilic organosilane template molecules was measured. Brønsted acid sites were observed in the prepared sample, and the number and the strength of Brønsted acid sites were determined quantitatively by a method of infrared-mass spectroscopy/temperature-