Abstract
Polyelectrolyte anion exchangers based on commercially available nonsulfonated silicagels Silasorb 600 and Kromasil with modification of the latter by quaternized poly(4-vinylpyridine) have been proposed. Sorbents based on Kromasil allow simultaneous determination of 10 anions (CH3COO−, HCOO−, BrO −3 , Cl−, NO −2 , NO −3 , I−, SCN−, ClO −4 , SO 2−4 ) for 20 min and show high efficiency (up to 30000 tp/m) for NO −3 in a variant of single-column ion chromatography with indirect spectrophotometric detection upon elution by the solutions of potassium hydrogen phthalate.
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Original Russian Text © A.A. Loshin, A.V. Zatirakha, A.D. Smolenkov, O.A. Shpigun, 2015, published in Vestnik Moskovskogo Universiteta. Khimiya, 2015, No. 1, pp. 12–22.
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Loshin, A.A., Zatirakha, A.V., Smolenkov, A.D. et al. Chromatographic behavior of anions on polyelectrolyte sorbents based on silicagel. Moscow Univ. Chem. Bull. 70, 9–18 (2015). https://doi.org/10.3103/S002713141501006X
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DOI: https://doi.org/10.3103/S002713141501006X