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Proceedings Paper

Dispersive Fourier Transform Measurements Of The Optical Constants Of Some Aqueous Salt Solutions Between 25 And 450 cm-1
Author(s): M. Bennouna; H. Cachet; J. C. Lestrade; J. R. Birch
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Paper Abstract

Recent developments in far infrared, laser spectrometry and dispersive Fourier transform spectrometry have allowed the direct determination of the optical constants of some aqueous salt solutions in the spectral range between 25 and 450 cm-1. The following salts were studied by these methods LiC1, LiC1O4, NaCl, NaC1O4, NaI , KCl, Kbr, KI, KF, MgCl2, Mg(ClO4)2 and Bu4NBr (tetrabutylammonium). The results show that in the presence of some electrolytes the optical constants of the solution can differ significantly from those of pure water, and that in localised spectral regions the absorption can be many times less than that of pure water.

Paper Details

Date Published: 29 October 1981
PDF: 3 pages
Proc. SPIE 0289, 1981 Intl Conf on Fourier Transform Infrared Spectroscopy, (29 October 1981); doi: 10.1117/12.932189
Show Author Affiliations
M. Bennouna, Universite Pierre et Marie Curie (France)
H. Cachet, Universite Pierre et Marie Curie (France)
J. C. Lestrade, Universite Pierre et Marie Curie (France)
J. R. Birch, National Physical Laboratory (England)


Published in SPIE Proceedings Vol. 0289:
1981 Intl Conf on Fourier Transform Infrared Spectroscopy
Hajime Sakai, Editor(s)

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