Abstract
AbstractSeparation of precious metals (PMs) is becoming increasingly important because of their growing application in industrial products, such as electronics and catalysts. Most PM separation and purification processes are performed using acidic chloride solutions; therefore, a thorough understanding of the chemical properties and separation mechanisms of PM chloridometalates in solution is of key importance for improving these processes. This article focuses on the solvent extraction of PM ions from acidic chloride solutions as the main technology for the mutual separation of PMs. In addition, leaching methods, dominant species in acidic chloride solutions, and non‐solvent‐extraction separation methods are discussed.
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