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The formation of protonated copper(II)-8-oxyquinoline complexes in aqueous solution

  • Physical Chemistry of Solutions
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Abstract

The constants of formation of copper-8-oxyquinoline complexes in aqueous solution (logβ) were determined using pH-metric titration combined with mathematical simulation for the following complexes: CuHOx2+ (14.39 ± 0.20), CuHOx +2 (25.25 ± 0.16), CuOx+ (10.07 ± 0.21), and CuOx2 (20.92 ± 0.29); 293 K, I = 0.01. It was shown by UV spectrophotometry that, in protonated complexes, the metal atom is probably bound to the ligand through oxygen.

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Authors and Affiliations

  1. Institute of the Solution Chemistry, Russian Academy of Sciences, Ivanovo, Russia

    L. M. Ramenskaya

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  1. L. M. Ramenskaya
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Correspondence to L. M. Ramenskaya.

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Original Russian Text © L.M. Ramenskaya, 2008, published in Zhurnal Fizicheskoi Khimii, 2008, Vol. 82, No. 12, pp. 2301–2305.

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Ramenskaya, L.M. The formation of protonated copper(II)-8-oxyquinoline complexes in aqueous solution. Russ. J. Phys. Chem. 82, 2074–2078 (2008). https://doi.org/10.1134/S0036024408120182

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  • DOI: https://doi.org/10.1134/S0036024408120182

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