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Effect of aging on the porous texture of silica aerogels prepared by NH4OH and NH4F catalyzed sol-gel process

✍ Scribed by Dong Jin Suh; Tae-Jin Park; Jong Ho Sonn; Jong-Choo Lim


Book ID
110238846
Publisher
Springer
Year
1999
Tongue
English
Weight
47 KB
Volume
18
Category
Article
ISSN
0261-8028

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Stability, defined as the reproducible behavior of a device upon its storage, is an important issue in pharmaceutical formulation. Silica xerogels obtained through the sol-gel route are relatively new as matrices for the controlled release of drugs. In some cases, it was observed that their behavior