RecordNumber
137
Doc. No.
142A
Call. No.
142A
Author
Ghaziaskar, Hassan S.,Lai, Edward P. C
Title of Article
Noninvasive spectroscopic detection of bulk polymerization by stimulated raman scattering
Title Of Periodical
APPLIED SPECTROSCOPY
VolumNumber
V.48, No.8
Date
(1994)
Page
P.1011-1014
Descriptors
Stimulated raman scattering,Polymerization,Extended sample dimensions
Abstract
The polymerization of styrene in a 15-cm storage bottle and of methyl methacrylate (MMA) inside a 50-cm reactor cell was monitored non-invasively by stimulated Raman scattering (SRS) for spectroscopic analysis. A pulsed laser was required to stimulate Raman scattering while a photodiode array detector measured the monochromator-dispersed Stokes lines. The results demonstrate that SRS is a useful spectroscopic technique for the real-time probing of polymerization in a large sample volume. Its signal intensity is related to the average analyte concentration integrated over the laser interaction path, which can better repsent the bulk property of extended sample dimensions.
Indexer
1376/08
IndexDate
Shahsvary
اطلاعات ثبت
GN109421