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The Role of Residual Calcium in the Viscosity Changes of Sodium Alginate Solutions * *University of California School of Pharmacy, San Francisco 22

โœ Scribed by Levy, Gerhard ;Schwarz, T.W.

Publisher
Elsevier
Year
1958
Weight
286 KB
Volume
47
Category
Article
ISSN
0095-9553

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A Report on the Oxidative Degradation of
A Report on the Oxidative Degradation of Neutralized Carbopol * *University of California School of Pharmacy, San Francisco 22
โœ Schwarz, T.W. ;Levy, Gerhard ๐Ÿ“‚ Article ๐Ÿ“… 1958 ๐Ÿ› Elsevier โš– 168 KB

Neutralized Carbopol 934 gels undergo oxidative degradation when exposed to daylight. This reaction is probably catalyzed by trace metals. EDTA, various nonelectrolyte antioxidants and poly-hydroxy compounds may be used to retard this degradation. N IMPORTANT REQUIREMENT for pharmaceu-. .