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Separation of copper from gold mixture

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Dear...

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.

Aras Hass
student - Sulaimany, Alikamal, Iraq


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One of the metals will dissolve in 50% nitric acid, whilst the other will not. When you have collected and thoroughly washed the metal that will not dissolve, you may send it to me.

Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK


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Hi Aras,

As Trevor points out, use nitric ... but don't, DON'T send the residue to him ... send it me. He is still working and I'm retired and need some glitter in life.

freeman newton portrait Freeman Newton
- White Rock, British Columbia, Canada

freeman newton died

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OK Freeman, lets split the spoils.

Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK


March 9, 2008

I separated gold from gold+copper mixture and finally I am having a solution of copper nitrate 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.

Prabahar Natarajan
Student - India


November 29, 2011

Well I am not sure my self actually sorry :-(
But If I did know I would tell you.

Matt Close
- Lee on Solent, Gosport, UK

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