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Fourier transform infrared (FTIR) — attenuated total reflectance (ATR) — spectra of metal-dithiocarbamate single crystal surfaces with polarized radiation

FTIR-ATR-Spektren von Metall-Dithiocarbamat-Einkristalloberflächen mit polarisierter Strahlung. I. Arbeitstechnik

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Summary

In this paper the necessary experimental steps are described to obtain high quality IR-spectra from single crystal surfaces (approx. 1.5×2 mm) of N,N-dithiocarbamates with plane polarized radiation. The low spectral contrast to be obtained with such samples (A<0,05) requires the combination of a standard ATR-unit with a rapid-scanning Fourier transform IR-spectrometer. Significant band shifts>1 cm−1 and variable ratios of band intensities for different polarization could be observed and used to perform reliable band assignments.

Zusammenfassung

Die experimentellen Bedingungen zur Aufnahme hochqualifizierter IR- Spektren von Dithiocarbamat-Einkristalloberflächen (ca. 1,5-2 mm) mit Hilfe von polarisierter Strahlung werden präsentiert. Der Einsatz eines Fourier-Transformationspektrometers mit eingebauter ATR-Einheit ist wegen der geringen zu beobachtenden Bandenextinktion (E<0,05) notwendig. Damit konnten erstmals in diesem Bereich signifikante Bandenverschiebungen>1 cm−1 und variable Bandenintensitäten eindeutig festgestellt und zuverlässige Bandenzuordnungen vorgenommen werden.

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Authors and Affiliations

  1. Institute for Analytical Chemistry, Technical University Vienna, Vienna

    R. Kellner, G. St. Nikolov & N. Trendafilova

  2. Institute for General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia

    R. Kellner, G. St. Nikolov & N. Trendafilova

Authors
  1. R. Kellner
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  2. G. St. Nikolov
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  3. N. Trendafilova
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Additional information

With support of the Austrian Science Foundation, Proj. Nr. 3427.

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Kellner, R., Nikolov, G.S. & Trendafilova, N. Fourier transform infrared (FTIR) — attenuated total reflectance (ATR) — spectra of metal-dithiocarbamate single crystal surfaces with polarized radiation. Mikrochim Acta 80, 247–253 (1983). https://doi.org/10.1007/BF01213118

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  • DOI: https://doi.org/10.1007/BF01213118

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