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Proceedings Paper

Polarized FTIR microspectrometry on single crystals of diglycine hydrochloride
Author(s): J. Baran; H. Ratajczak; Bert Lutz; John H. van der Maas
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Paper Abstract

Polarized infrared spectra of single crystals of diglycine hydrochloride (DGCl) have been measured in transmittance and via external reflection with a microscope. Mathematical treatment of the reflection data by a Kramers-Kronig transformation resulted in very nice spectra, which prove to be similar to the ones measured in transmittance, except for minor differences. The frequencies of the sharp bands are identical but deviations are observed for broad absorptions, and therefore some experience is needed for a proper interpretation of the bands related with hydrogen bonding. The advantages of polarized reflection measurements with a microscope are simplicity of sample preparation (limited crystal growth, no polishing), and absence of interfering wax absorptions.

Paper Details

Date Published: 31 January 1994
PDF: 2 pages
Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); doi: 10.1117/12.166810
Show Author Affiliations
J. Baran, Institute of Low Temperature and Structure Research (Poland)
H. Ratajczak, Institute of Low Temperature and Structure Research (Poland)
Bert Lutz, Univ. Utrecht (Netherlands)
John H. van der Maas, Univ. Utrecht (Netherlands)


Published in SPIE Proceedings Vol. 2089:
9th International Conference on Fourier Transform Spectroscopy
John E. Bertie; Hal Wieser, Editor(s)

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