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Scaled absorbance difference spectroscopy for the analysis of solutions - What residuals can be expected?

Fresenius' Journal of Analytical Chemistry, ISSN: 0937-0633, Vol: 350, Issue: 7-9, Page: 505-513
1994
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  • Citations
    6
    • Citation Indexes
      5
    • Patent Family Citations
      1
      • 1
  • Captures
    5

Article Description

The analysis of compounds by IR spectrometry frequently involves the use of solvents. For dilute solutions in particular, the compensation of the solvent spectrum is required. The residual spectra of liquids obtained by scaled absorbance difference spectroscopy are calculated for various effects. These include wavenumber shifts of the absorption bands, the influence of a wedge shaped cell and limited spectral resolution. Further effects resulting from a change in the refractive index of a solution compared to the corresponding solvent have been studied. Magnitude and wavenumber position of the residual maxima are discussed. © 1994 Springer-Verlag.

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