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Physical and Chemical Properties, Composition and Thermal Stability of a Complex of Neodium(III) with Heparin

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Abstract

The complex formation of Nd(III) with heparin anions is studied by pH-metric titration at 37°C (supporting electrolyte 0.15 M NaCl). The formation constant (β) of the complex [NdHep]: log  β(NdHep) = 4.28 ± 0.02) is calculated using the NewDALSFEK program. The complex [Nd(H2O)3Hep]n is isolated in a solid form. Its composition is determined by the results of an X-ray spectral electron probe analysis, thermogravimetry, differential scanning calorimetry, and IR spectroscopy.

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Authors and Affiliations

  1. Tver State University, Tver, Russia

    M. I. Skobin, M. A. Feofanova, V. M. Nikolskiy, T. V. Kryukov, V. G. Alekseev & A. I. Ivanova

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  1. M. I. Skobin
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  2. M. A. Feofanova
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  3. V. M. Nikolskiy
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  4. T. V. Kryukov
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  5. V. G. Alekseev
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  6. A. I. Ivanova
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Correspondence to M. I. Skobin.

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Skobin, M.I., Feofanova, M.A., Nikolskiy, V.M. et al. Physical and Chemical Properties, Composition and Thermal Stability of a Complex of Neodium(III) with Heparin. Russ. J. Phys. Chem. B 16, 329–333 (2022). https://doi.org/10.1134/S1990793122020245

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  • DOI: https://doi.org/10.1134/S1990793122020245

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