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High-porosity aerogels of high specific surface area prepared from nanofibrillated cellulose (NFC)

✍ Scribed by Houssine Sehaqui; Qi Zhou; Lars A. Berglund


Book ID
118257960
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
709 KB
Volume
71
Category
Article
ISSN
0266-3538

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Acidity of high-surface-area zirconia pr
✍ Chuah, G. K.; Jaenicke, S.; Xu, T. H. πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 92 KB πŸ‘ 2 views

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