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Complex Formation by Galacturonic Acid with Copper(II) and Neodymium(III) Ions in Water Solution

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Abstract

Complex formation by galacturonic acid with copper(II) ion in water solution is studied by themethods of EPR spectroscopy. At the pH > 3 the EPR signal (g 2.174) confirms the complex formation at theligand carboxylic group. The following complex formation parameters are measured: equilibrium constant'g factor, hyperfine coupling constant, average complex lifetime. From the data of electron spectra invisible region the complex composition and stability constant is defined for copper(II) and neodymium(III).

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Authors and Affiliations

  1. Kuban State University, Krasnodar, Russia

    A. I. Shestavin, S. N. Bolotin, N. N. Bukov & V. T. Panyushkin

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  1. A. I. Shestavin
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  2. S. N. Bolotin
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  3. N. N. Bukov
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  4. V. T. Panyushkin
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Shestavin, A.I., Bolotin, S.N., Bukov, N.N. et al. Complex Formation by Galacturonic Acid with Copper(II) and Neodymium(III) Ions in Water Solution. Russian Journal of General Chemistry 71, 1358–1361 (2001). https://doi.org/10.1023/A:1013993616960

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  • DOI: https://doi.org/10.1023/A:1013993616960

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