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Kinetics of the formation of a complex of the palladium ion with 1,8-dihydroxy-2-(2-pyrazoline-5-azo) naphthalene-3,6-disulfonic acid

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Abstract

The kinetics of the complex-formation of the palladium ion with 1,8-dihydroxy-2-(2-pyrazolin-5-azo)naphthalene-3,6-disulfonic acid has been studied in aqueous solution (pH 0–5). It has been shown that the rate of the reaction is a maximum at pH 2.8 and falls at pH > 2.9 because of the hydrolysis of the palladium ions and at pH < 2.9 as a consequence of the protonation of the reagent molecule.

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Literature cited

  1. S. B. Savvin, Organic Reagents of the Arsenazo III Group [in Russian], Atomizdat, Moscow (1971).

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  2. A. A. Muk and V. N. Nicolić, “Pyrazole-azo-chromotropic acid derivatives,” Bull. Soc. Chim. Beograd.,42, No. 4, 311 (1977).

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  3. C. F. Baes and R. E. Mesmer, The Hydrolysis of Cations, Wiley, New York, (1976).

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Authors and Affiliations

  1. Kidric Institute of Nuclear Sciences, Belgrade, Yugoslavia

    V. Vasić, A. Muk, V. I. Pogonin & A. K. Chibisov

  2. V. I. Vernadskii Institute of Geochemistry and Analytical Chemistry, Moscow

    V. Vasić, A. Muk, V. I. Pogonin & A. K. Chibisov

Authors
  1. V. Vasić
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  2. A. Muk
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  3. V. I. Pogonin
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  4. A. K. Chibisov
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Additional information

Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 21, No. 5, pp. 611–613, September–October, 1985.

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Vasić, V., Muk, A., Pogonin, V.I. et al. Kinetics of the formation of a complex of the palladium ion with 1,8-dihydroxy-2-(2-pyrazoline-5-azo) naphthalene-3,6-disulfonic acid. Theor Exp Chem 21, 584–585 (1985). https://doi.org/10.1007/BF00944098

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  • DOI: https://doi.org/10.1007/BF00944098

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