Abstract
The physicochemical and analytical properties of polymeric chelating adsorbents, polystyrene-2-hydroxy-(1-azo-1′)-2′-hydroxybenzene derivatives, to zinc ions were studied. A possible chemical mechanism of the complexation process was based by a number of parameters. A procedure was proposed for the preconcentration of zinc followed by its stripping voltammetric determination in natural water. The detection limit of the proposed procedure (0.1 μg/L) ensures reliable ecological control of natural waters; the relative standard deviation was 1–4% at a concentration level of n × 10−5%.
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Original Russian Text © N.N. Basargin, E.R. Oskotskaya, A.V. Chebrova, Yu.G. Rozovskii, 2008, published in Zhurnal Analiticheskoi Khimii, 2008, Vol. 63, No. 3, pp. 231–236.
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Basargin, N.N., Oskotskaya, E.R., Chebrova, A.V. et al. Adsorption of zinc on polymeric chelating adsorbents in the analysis of natural water. J Anal Chem 63, 209–213 (2008). https://doi.org/10.1134/S1061934808030027
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DOI: https://doi.org/10.1134/S1061934808030027