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Comparative Calorimetric Studies of the Acidity of Zeolites by Static and Temperature-Programmed Methods of Ammonia Adsorption and Desorption

โœ Scribed by A. Auroux; Y.S. Jin; J.C. Vedrine; L. Benoist

Book ID
119507751
Publisher
Elsevier Science
Year
1988
Weight
417 KB
Volume
36
Category
Article
ISSN
0166-9834

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โœ Carmela V. Hidalgo; Hirofumi Itoh; Tadashi Hattori; Miki Niwa; Yuichi Murakami ๐Ÿ“‚ Article ๐Ÿ“… 1984 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 584 KB

The acidity of H-form zeolites which include mordenite, ZSM-5, Y-faujasite, and those modified by cation exchange or deahrmination was measured by temperature-programmed desorption (TPD) of NHp. Ammonia was adsorbed at 373 K to eliminate the contribution of very weak acid sites and improve the spect