DocumentCode
732431
Title
Diode laser spectroscopy based monitoring of pharmaceutical freeze drying: Linking measurements to critical process parameters
Author
Kessler, William J.
Author_Institution
Phys. Sci. Inc., Andover, MA, USA
fYear
2015
fDate
10-15 May 2015
Firstpage
1
Lastpage
2
Abstract
Freeze drying is used to produce dry solid from a solution to improve product stabilization. We have applied absorption spectroscopy to monitor water sublimation rates and determine product temperature during drying, a critical process parameter.
Keywords
drying; freezing; measurement by laser beam; pharmaceuticals; semiconductor lasers; sublimation; water; absorption spectroscopy; critical process parameters; diode laser spectroscopy; dry solid; pharmaceutical freeze drying monitoring; product stabilization; product temperature; water sublimation rates; Absorption; Diode lasers; Fluid flow measurement; Monitoring; Spectroscopy; Temperature measurement; Temperature sensors;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location
San Jose, CA
Type
conf
Filename
7182860
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