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Synthesis, stability, and chromatographic properties of silica gels modified by polyelectrolyte complexes

  • Separation Processes at Interfaces: Chromatography
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Abstract

Methods are suggested for obtaining new sorbents for ionic chromatography (polyelectrolyte anion-exchangers) based on the modification of silica gels for HPLC by cationic polymer solutions. Advantages and faults of each method are pointed out. Factors that affect chromatographic characteristics and operating stability of polyelectrolyte sorbents are studied. Operating conditions are chosen for chromatographic columns based on polyelectrolyte sorbents that allow one to preserve the initial characteristics for more than 1.5 months.

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Authors and Affiliations

  1. Department of Chemsitry, Moscow State University, Moscow, Russia

    A. V. Pirogov, I. A. D’yachkov & O. A. Shpigun

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  1. A. V. Pirogov
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  2. I. A. D’yachkov
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  3. O. A. Shpigun
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Correspondence to A. V. Pirogov.

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Original Russian Text © A.V. Pirogov, I.A. D’yachkov, O.A. Shpigun, 2011, published in Fizikokhimiya Poverkhnosti i Zashchita Materialov, 2011, Vol. 47, No. 6, pp. 594–603.

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Pirogov, A.V., D’yachkov, I.A. & Shpigun, O.A. Synthesis, stability, and chromatographic properties of silica gels modified by polyelectrolyte complexes. Prot Met Phys Chem Surf 47, 721–730 (2011). https://doi.org/10.1134/S2070205111060153

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  • DOI: https://doi.org/10.1134/S2070205111060153

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