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2. Thermodynamic aspects
Developing the mineral skeleton of the electrolyte requires a well-established procedure. The method consists of successively dissolving potassium cyanide in a dilute potash solution (≈ 5 to 10 g.L -1 ), then adding copper cyanide in a substoichiometric quantity compared to potassium cyanide. Under these conditions, the copper in the mother phase is solubilized in the form of complexes of generic formula :
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Thermodynamic aspects
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