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separating copper from lead in a mixture

separation of copper from gold mixture

separation of copper from gold mixture

I am a student in University of Sulaimany in Iraq. I have a question: please show me a way for "separation copper from gold" and I mixed gold with copper. I want to separate the two metals by any chemical methods. Please help me, thank you.

Q. I separated gold from gold+copper mixture and finally I am having a solution of copper nitrate [affil. link to info/product on Amazon] and now I wish to separate the copper from the solution. I don't know the separation process for separating copper from copper nitrate. Please guide me in this aspect.

A. You may precipitate the copper out of the copper sulphate solution by inserting a metal that is more reactive than copper, such as magnesium or iron. Copper metal will precipitate, but the magnesium/iron will dissolve and you will ultimately be left with a solution of magnesium or iron sulphate. This is known as cementation. An alternative commercial method consists of solvent extraction and electrowinning, i.e., electrolysis.

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