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Use of polypropylene film for infrared cryogenic windows

โœ Scribed by Labrie, D. ;Booth, I. J. ;Thewalt, M. L. W. ;Clayman, B. P.


Book ID
115334051
Publisher
The Optical Society
Year
1986
Tongue
English
Weight
669 KB
Volume
25
Category
Article
ISSN
1559-128X

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โœ David R. Burfield; Patrick S. T. Loi ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 743 KB

This study examines the application of infrared (IR) spectrometry to the determination of polypropylene (PP) stereoregularity. The use of the absorption bands at 998 cm-' and 841 cm-' as indices of isotacticity and bands at 1167 cm-' and 973 cm-' as internal references have been explored. Calibratio