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Anti‐Stokes low‐frequency Raman spectra of liquids
Author(s) -
Nielsen O. Faurskov
Publication year - 1989
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1250200405
Subject(s) - raman spectroscopy , aqueous solution , spectral line , chemistry , fluorobenzene , analytical chemistry (journal) , coherent anti stokes raman spectroscopy , raman optical activity , stokes shift , fluorescence , raman scattering , optics , physics , chromatography , organic chemistry , astronomy , benzene
Low‐frequency Raman spectra of liquids on both Stokes and anti‐Stokes sides were investigated. The spectra are given in the R (v̄) representation. Results for a pure and an impure sample of fluorobenzene were compared. The results allow a distinction between the effects of stray light and fluorescence in the spectra. The same method was used for liquid water at temperatures ranging from the freezing point to 40°C. The background correction for Raman spectra in the R (v̄) representation is discussed. This procedure is of special importance for aqueous solutions of biologically interesting molecules. The use of the anti‐Stokes side is an advantage, as demonstrated by R (v̄) spectra of an aqueous solution of L‐aspartic acid.
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