Granulometry and Fractal Dimension
Authors:
Z. Zatloukal
Authors‘ workplace:
Katedra farmaceutické technologie Farmaceutické fakulty Univerzity Karlovy, Hradec Králové
Published in:
Čes. slov. Farm., 2003; , 244-247
Category:
Overview
The fractal character of exponential particle size distribution makes it possible to use fractaldimension for the evaluation of the results of granulometric analysis. The conditions of sedimentationanalysis of talc in aqueous solution were optimized by adding nonionogenic tenside anddeflocculation electrolyte. Dispersion analysis demonstrated the suitability of minimally 0,2 g/l ofpolysorbate 80 for talc soaking. In the evaluation of pharmaceutical granulometry, it is advisable tosupplement the usually reported specific surface area with fractal dimension, which primarilycontributes to a more general interpretation of variability of particle size.
Key words:
particle size analysis – fractal dimension – particle size distribution – talc
Labels
Pharmacy Clinical pharmacologyArticle was published in
Czech and Slovak Pharmacy
2003 Issue 5
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