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EVALUATION and COMPARISON of SIMPLE METHODS FOR pH MEASUREMENT of REDUCED-MOISTURE SOLID SYSTEMS

โœ Scribed by LEONARD N. BELL; THEODORE P. LABUZA

Book ID
111339957
Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
415 KB
Volume
16
Category
Article
ISSN
0145-8892

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โœ Madhu Pudipeddi; Erika A. Zannou; Madhav Vasanthavada; Aruna Dontabhaktuni; Alan ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 403 KB ๐Ÿ‘ 1 views

Two methods for the measurement of surface pH of pharmaceutical solids, namely, the dye-sorption method and the slurry pH method, were compared. High purity drug substances, instead of excipients, were used as model solids, because acidic or basic impurities present in excipients could influence slu