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Sorption of certain isatins on various sorbents under RP-HPLC conditions

  • Physical Chemistry of Separation Processes: Chromatography
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Abstract

The results from chromatographic analysis of biologically active isatin derivatives on hyper-crosslinked polystyrene (HCLPS) and silica gel modified by octadecyl groups (SilC18) are presented. The constants of distribution of sorbates between a mobile phase and the investigated sorbents (K x ) and the changes in the standard differential molar Gibbs energies of adsorption \((\Delta _a \bar G^\circ )\) are calculated, along with the chromatographic retention-physicochemical property of sorbate dependences. It is found that the equations describing these dependences have high forecasting ability with respect to the values of retention factors of the investigated sorbates.

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Authors and Affiliations

  1. Samara State University, Samara, 443011, Russia

    A. V. Konstantinov, R. V. Shafigulin, A. V. Bulanova & P. P. Purygin

  2. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119991, Moscow, Russia

    M. M. Il’in & V. A. Davankov

Authors
  1. A. V. Konstantinov
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  2. R. V. Shafigulin
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  3. M. M. Il’in
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  4. V. A. Davankov
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  5. A. V. Bulanova
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  6. P. P. Purygin
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Corresponding author

Correspondence to R. V. Shafigulin.

Additional information

Original Russian Text © A.V. Konstantinov, R.V. Shafigulin, M.M. Il’in, V.A. Davankov, A.V. Bulanova, P.P. Purygin, 2013, published in Zhurnal Fizicheskoi Khimii, 2013, Vol. 87, No. 6, pp. 1052–1055.

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Konstantinov, A.V., Shafigulin, R.V., Il’in, M.M. et al. Sorption of certain isatins on various sorbents under RP-HPLC conditions. Russ. J. Phys. Chem. 87, 1039–1042 (2013). https://doi.org/10.1134/S0036024413060150

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  • DOI: https://doi.org/10.1134/S0036024413060150

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