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Analysis of the Overlapping Bands in UV-Vis Absorption Spectroscopy

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The analysis of the overlapped bands in UV-Vis absorption spectroscopy provides valuable information about the structure of the molecule and its environment. The resolution of individual bands in the UV-Vis region is a complicated task since the absorption bands are generally strongly overlapped, they have different half-band widths, and their number is difficult to estimate. In the present study the possibilities of using Levenberg's method for analysis of overlapping bands in UV-Vis spectroscopy are discussed, and a logical algorithm for their resolution is developed. This approach is applied to the analysis of the vibrational structured long-wavelength bands of trans-stilbene and its derivatives.

Keywords: Analysis of overlapping bands; Trans-stilbene and derivatives; UV-Vis spectroscopy

Document Type: Research Article


Affiliations: 1: University of Sofia, Department of Chemistry, Sofia 1126, Bulgaria 2: University of Sofia, Department of Chemistry, Sofia 1126, Bulgaria; complete address: Dr. St. Stoyanov, Department of Chemistry, University of Sofia, Sofia 1126, Bulgaria

Publication date: July 1, 1993

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