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Adsorption and determination of bismuth with 4-(2-pyridylazo)resorcinol on a fibrous ion exchanger

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Abstract

The adsorption of bismuth was studied on a fibrous material filled with a Chelex 100 ion exchanger with iminodiacetic groups and a KU-2 cation exchanger, and as thiosulfate and iodide complexes on a fibrous AV-17 (PANV-AV-17) anion exchanger. Bismuth adsorbed on the solid phase was determined with 4-(2-pyridylazo)resorcinol (PAR). The optimal conditions for adsorption and determination were selected and selectivity was studied. The system bismuth-iodide-PANV-AV-17-PAR was proposed for the determination of bismuth in the solid phase. A procedure was developed for the adsorption-spectroscopic determination of 0.04–0.4 mg/L of bismuth in fresh water and urine with a detection limit of 0.03 mg/L and RSD < 20%.

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Authors and Affiliations

  1. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, ul. Kosygina 19, Moscow, 119991, Russia

    V. P. Dedkova, O. P. Shvoeva & S. B. Savvin

Authors
  1. V. P. Dedkova
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  2. O. P. Shvoeva
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  3. S. B. Savvin
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Additional information

Original Russian Text © V.P. Dedkova, O.P. Shvoeva, S.B. Savvin, 2010, published in Zhurnal Analiticheskoi Khimii, 2010, Vol. 65, No. 6, pp. 591–595.

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Dedkova, V.P., Shvoeva, O.P. & Savvin, S.B. Adsorption and determination of bismuth with 4-(2-pyridylazo)resorcinol on a fibrous ion exchanger. J Anal Chem 65, 577–581 (2010). https://doi.org/10.1134/S1061934810060055

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  • DOI: https://doi.org/10.1134/S1061934810060055

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