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The influence of preparation conditions on the surface area of zirconia

✍ Scribed by G.K. Chuah; S. Jaenicke; S.A. Cheong; K.S. Chan

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
903 KB
Volume
145
Category
Article
ISSN
0926-860X

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High-surface-area zirconia was obtained by digestion of hydrous oxide precipitated with ammonia and sodium hydroxide. The acidity of digested and undigested samples was compared by ammonia temperatureprogrammed desorption and pyridine adsorption. Undigested zirconia showed only Lewis acid sites but