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Catalytic properties of postsynthesis phosphorus-modified H-ZSM5 zeolites

✍ Scribed by Hannelore Vinek; Gerd Rumplmayr; Johannes A. Lercher

Book ID
113179726
Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
778 KB
Volume
115
Category
Article
ISSN
0021-9517

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A series of H-ZSM-5 samples (Si/Al = 14) were modified by impregnation with phosphoric acid and consecutive calcination. The influence of this modification was investigated by FT-IR and 27 Al and 31 P MAS NMR spectroscopy, temperature-programmed desorption of ammonia with coupled in situ FT-IR. Pho