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Release of selenium and tin from the graphite support in the presence of tungsten and palladium modifiers

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Abstract

Electrothermal atomic absorption spectrometry is applied to investigate the release of the selenium and tin atoms from pyrocoated graphite support. The Coats and Redfern and Sturgeon approaches are used for estimation of the apparent activation energies of atom release. The addition of tungsten and palladium modifiers leads to enhancement of the activation energies and changes the kind of the vaporizing species for analytes.

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Authors and Affiliations

  1. Faculty of Chemistry, University of Sofia, 1 James Bourcier Blvd., 1126, Sofia, Bulgaria

    V. Slaveykova,  St. Manev & D. Lazarov

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  1. V. Slaveykova
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  2. St. Manev
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  3. D. Lazarov
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Slaveykova, V., St. Manev & Lazarov, D. Release of selenium and tin from the graphite support in the presence of tungsten and palladium modifiers. React Kinet Catal Lett 61, 139–145 (1997). https://doi.org/10.1007/BF02477526

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  • DOI: https://doi.org/10.1007/BF02477526

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