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  • 1 Institute of Chemistry Pedagogical University 25-020 Kielce Ul. Chęcińska 5 Poland
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CuCl2-KCl mixtures were annealed at 603 K and thermogravimetrically analysed after cooling to room temperature. The mixtures differed in the molar ratio Cu/K and in the duration of heating at 603 K. The constitutions of the ions, the reactions between them and the mechanisms of their decomposition in the melt are proposed, as are the constitutions of the active centres in the oxychlorination process.