Abstract
Solubility of salts in the systems MCl2–H2O–Solv (M = Co, Ni) and CoBr2–H2O–Solv (Solv = dimethyl sulfoxide, dimethyl formamide, and dimethyl acetamide) at 25°C was measured experimentally. Dominating species of cobalt and nickel halides existing in various concentration regions were identified by analysis of electron absorption spectra. It was shown that the major factor defining solubility is the interaction of halocomplexes of metal ions with solvent molecules.
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Original Russian Text © A.O. Gorbunov, N.A. Tsyrul’nikov, A.A. Tikhomirova, N.A. Bogachev, M.Yu. Skripkin, A.B. Nikolskii, O.N. Pestova, 2016, published in Zhurnal Obshchei Khimii, 2016, Vol. 86, No. 4, pp. 581–588.
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Gorbunov, A.O., Tsyrul’nikov, N.A., Tikhomirova, A.A. et al. Solubility of d-element salts in organic and aqueous–organic solvents: II. Effect of halocomplex formation on solubility of cobalt bromide and chloride and nickel chloride. Russ J Gen Chem 86, 771–777 (2016). https://doi.org/10.1134/S1070363216040022
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DOI: https://doi.org/10.1134/S1070363216040022