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1H MAS n.m.r. and n.i.r. studies of aluminum-exchanged ZSM-5 zeolites

✍ Scribed by B. Staudte; M. Hunger; M. Nimz

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
416 KB
Volume
11
Category
Article
ISSN
0144-2449

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The direct treatment of NaZSM-5 zeolite with aluminum salt solution without an intermediate ammonium form was applied to obtain as neutral AINaZSM-5 zeolites as possible. It was possible to prepare very weakly acidic, or almost neutral samples, using the parent zeolite neutralized by an exchange wit