Publication: Diffusivity and dissolution rate in polymeric solutions
Issued Date
1983
Resource Type
Language
eng
File Type
application/pdf
No. of Pages/File Size
434 KB
ISSN
0363-9045
Rights
Mahidol University
Rights Holder(s)
Marcel Dekker (available from Informa Healthcare)
Bibliographic Citation
Drug Development and Industrial Pharmacy. Vol.9, No.5 (1983), 861-875.
Suggested Citation
Narong Sarisuta, Parrott, Eugene L., ณรงค์ สาริสุต Diffusivity and dissolution rate in polymeric solutions. Drug Development and Industrial Pharmacy. Vol.9, No.5 (1983), 861-875.. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/62203
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Title
Diffusivity and dissolution rate in polymeric solutions
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Abstract
The diffusivity of benzoic acid was measured in various concentrations of aqueous solutions of methylcellulose, hydroxypropyl cellulose and guar gum. An increase in concentration of the polymer increases the viscosity of the polymeric solution to a greater degree than it decreases diffusivity. Dissolution rates of benzoic acid in various concentrations of polymeric solutions were measured. An equation is presented for calculating the relative dissolution rates in polymeric solutions.