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Standardless Analysis of Multicomponent Mixtures of Substances by Time-Resolved Vibronic Spectroscopy

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Abstract

A new approach to the quantitative and qualitative standardless analysis of complex substances based on experimental time-dependent vibronic luminescence spectra (in the UV and visible regions) is proposed. The approach requires no preliminary calculation of absolute intensities for molecular models. It is shown that this analysis can be carried out for both individual substances and multicomponent mixtures, including unknown substances and mixtures of unknown composition. The concentration ranges of mixture components available for the analysis are evaluated, depending on the optical properties of mixtures.

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Authors and Affiliations

  1. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, ul. Kosygina 19, Moscow, 117975, Russia

    S. A. Astakhov, V. I. Baranov & L. A. Gribov

Authors
  1. S. A. Astakhov
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  2. V. I. Baranov
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  3. L. A. Gribov
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Astakhov, S.A., Baranov, V.I. & Gribov, L.A. Standardless Analysis of Multicomponent Mixtures of Substances by Time-Resolved Vibronic Spectroscopy. Journal of Analytical Chemistry 56, 625–634 (2001). https://doi.org/10.1023/A:1016788104839

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  • DOI: https://doi.org/10.1023/A:1016788104839

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