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Solubility diagrams of the potassium iodide-water-N,N-dimethylformamide and iodine-iodide-water-N,N-dimethylformamide systems at 25°C

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Abstract

The solubility diagrams of the potassium iodide-water-N,N-dimethylformamide (DMFA) and iodine-iodide-water-N,N-dimethylformamide systems were studied at 25°C by the method of sections. The systems are characterized by three-phase equilibria of the peritonic and eutonic types, respectively. Potassium iodide in the I2-KI-/H2O-DMFA (95: 5 wt %)/ system was found to salt in crystalline iodine. The selected composition of the H2O-DMFA mixed solvent possessed a higher iodine-solving ability compared with pure mixture components.

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Authors and Affiliations

  1. Chernyshevsky State University, ul. Dvadtsatiletiya VLKSM 112a, Saratov, 410071, Russia

    T. M. Varlamova & S. P. Mushtakova

  2. Saratov Military Institute of Radiation, Chemical, and Biological Shielding, Saratov, Russia

    G. V. Gerasimova

Authors
  1. T. M. Varlamova
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  2. G. V. Gerasimova
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  3. S. P. Mushtakova
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Additional information

Original Russian Text © T.M. Varlamova, G.V. Gerasimova, S.P. Mushtakova, 2006, published in Zhurnal Fizicheskoi Khimii, 2006, Vol. 80, No. 10, pp. 1880–1884.

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Varlamova, T.M., Gerasimova, G.V. & Mushtakova, S.P. Solubility diagrams of the potassium iodide-water-N,N-dimethylformamide and iodine-iodide-water-N,N-dimethylformamide systems at 25°C. Russ. J. Phys. Chem. 80, 1671–1675 (2006). https://doi.org/10.1134/S0036024406100219

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  • DOI: https://doi.org/10.1134/S0036024406100219

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