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Formation of carnallite type double salts by grinding mixtures of magnesium and alkali halides with the same anions

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Abstract

The formation of carnallite type double salts by grinding mixtures of hydrated magnesium halide and alkali halides with the same anions was investigated by X-ray diffraction, infrared spectroscopy and thermal analysis. Carnallite (KMgCl3·6H2O), cesium-carnallite (CsMgCl3·6H2O), bromo-carnallite (KMgBr3·6H2O) and cesium-bromo-carnallite (CsMgBr3·6H2O) were formed by grinding mixtures of MgCl2·6H2O with KCl or CsCl and MgBr2·6H2O with KBr or CsBr, respectively. Hydrated solid solutions of magnesium in potassium or cesium halides were obtained from that portion of potassium and cesium halides which did not take part in the formation of the double salt.

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Authors and Affiliations

  1. Geology Group, The Open University of Israel, 16 Klausner St., Tel-Aviv

    S. Shoval

  2. Department of Inorganic and Analytical Chemistry, The Hebrew University of Jerusalem, Israel

    S. Yariv

Authors
  1. S. Shoval
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  2. S. Yariv
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Additional information

This paper was presented on the Second Conference of The Israel Group of Mechanochemistry.

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Shoval, S., Yariv, S. Formation of carnallite type double salts by grinding mixtures of magnesium and alkali halides with the same anions. J Therm Anal Calorim 51, 251–263 (1998). https://doi.org/10.1007/BF02719027

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  • DOI: https://doi.org/10.1007/BF02719027

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