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- Title
Monitoring the fluidized bed granulation process based on S-statistic analysis of a pressure time series.
- Authors
Chaplin, Gareth; Pugsley, Todd; Winters, Conrad
- Abstract
Pressure fluctuation measurements collected during the fluidized bed granulation of pharmaceutical granule have been analyzed using the attractor comparison technique denoted as the S-statistic. Divergence of the bed state from the reference during granulation is followed by a return to a condition statistically similar to the original state of the dry fluidized ingredients on drying. This suggests insensitivity of the S-statistic technique to the changes in particle size distribution occurring during the granulation process. Consequently, the monitoring of pressure fluctuations alone may provide an easily implemented technique for the tracking of granule moisture and process end-point determination.
- Publication
AAPS PharmSciTech, 2005, Vol 6, Issue 2, pE198
- ISSN
1530-9932
- Publication type
Article
- DOI
10.1208/pt060229