A Simple "Plastic Bag" Technique for Visible Spectra of Solid Metal Complexes

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Abstract:

The techniques commonly used to study the visible spectra of transition metal complexes in the solid state involve diffuse reflectance from the powdered sample or transmission through a mull of the compound in mineral oil on filter paper. Pressed KBr (for anhydrous compounds) and AgCl (for compounds containing water or other highly polar ligands) disk techniques have been used even for low temperature spectra. All of the transmission techniques mentioned are based on mixing the sample with another compound which may induce changes in the compound under study via chemical reactions. Air- and water-sensitive complexes also need special care. These interferences may be reduced by the use of the following simple and rapid technique.

Keywords: Techniques, spectroscopic; Visible, UV spectroscopy

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702794925697

Affiliations: Department of Chemistry, University of Jyväskylä, Kyllikinkatu 1-3, SF-40100 Jyväskylä 10, Finland

Publication date: July 1, 1979

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