Development of a new method for the recovery of precious metals from anthropogenic wastes - tetrafluoridobromates(III) as powerful solid fluoro-oxidizers.

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The scientific as well as the industrial interest in the extraction and separation of valuable components from municipal solid wastes, the so called urban mining, is steadily growing. Such components contain valuable metals of lower availability, such as, for example, indium, the noble, or the rare-earth metals. These are usually included in different parts of electronic devices, supplies, or catalysts in quite a low percentage. Although many investigations were carried out in order to develop a process to recycle these resources, a universal solution that has not the drawback of using highly acidic and corrosive nitric acid solutions has not yet been found.