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Extraction of mercury(II) ions with antipyrine and its derivatives from chloride solutions to chloroform

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Abstract

The extraction of 0.01 mol/L mercury(II) ions from chloride solutions to chloroform is studied in the presence of antipyrine (AP) and its condensed derivatives (diantipyrylmethane (DAM), propyldiantipyrylmethane (PDAM), and hexyldiantipyrylmethane (HDAM)). The optimal mercury extraction conditions are determined for AP and its derivatives. The composition of the extracted complexes is determined. With respect to their pH1/2 and extraction capacities, the extractants are arranged in the following order: AP < DAM < PDAM < HDAM. The calculation of partial equilibrium constants and approximate partition constants is proposed.

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Authors and Affiliations

  1. Perm State University, ul. Bukireva 15, Perm, 614990, Russia

    M. I. Degtev

  2. Natural Sciences Institute, Perm, Russia

    E. M. Nechaeva

Authors
  1. M. I. Degtev
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  2. E. M. Nechaeva
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Original Russian Text © M.I. Degtev, E.M. Nechaeva, 2007, published in Zhurnal Neorganicheskoi Khimii, 2007, Vol. 52, No. 8, pp. 1381–1385.

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Degtev, M.I., Nechaeva, E.M. Extraction of mercury(II) ions with antipyrine and its derivatives from chloride solutions to chloroform. Russ. J. Inorg. Chem. 52, 1295–1298 (2007). https://doi.org/10.1134/S0036023607080220

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  • DOI: https://doi.org/10.1134/S0036023607080220

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