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Derivatives of Neopentanoic Acid Hydrazide as Reagents for Flotation Recovery of Non-Ferrous Metals

  • Inorganic Synthesis and Industrial Inorganic Chemistry
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Abstract

Five derivatives of neopentanoic acid hydrazide were studied and their physicochemical properties (solubility, protolytic equilibria, hydrolytic stability), which determine the possibility of using reagents in the flotation processes of concentrating non-ferrous metals, were characterized. The composition of the complex compounds of the reagents with Cu(II), Ni(II), and Co(II) in solutions was found, their instability constants were calculated, as well as the solubility products of the preparatively isolated and identified complexes. The fundamental possibility of employing reagents as collectors is shown on the example of flotation of sulfide copper-nickel and copper ores.

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Funding

This work was carried out with the financial support of the Russian Science Foundation (grant no. 20-69-46066) using the equipment of the Center for Collective Use “Research of Materials and Substances” of the PFIC UB RAS.

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Authors and Affiliations

  1. Institute of Technical Chemistry, Ural Branch, Russian Academy of Sciences, 614013, Perm, Russia

    L. G. Chekanova, A. V. Kharitonova, S. A. Zabolotnykh & G. V. Chernova

  2. Perm State National Research University, 614990, Perm, Russia

    Yu. B. El’chishcheva & P. T. Pavlov

Authors
  1. L. G. Chekanova
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  2. Yu. B. El’chishcheva
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  3. A. V. Kharitonova
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  4. P. T. Pavlov
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  5. S. A. Zabolotnykh
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  6. G. V. Chernova
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Corresponding author

Correspondence to L. G. Chekanova.

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Additional information

Translated from Zhurnal Prikladnoi Khimii, No. 4, pp. 461–471, January, 2021 https://doi.org/10.31857/S0044461821040058

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Chekanova, L.G., El’chishcheva, Y.B., Kharitonova, A.V. et al. Derivatives of Neopentanoic Acid Hydrazide as Reagents for Flotation Recovery of Non-Ferrous Metals. Russ J Appl Chem 94, 457–467 (2021). https://doi.org/10.1134/S1070427221040054

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