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International Hazard
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Copper Citrate alkaline solution
I made copper citrate and I noticed that on addition of NaHCO3, copper carbonate doesn't precipitate. What is the reason for this?
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Metacelsus
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I had exactly the same problem when wanting to recover my copper from contaminated copper citrate. I eventually had to decompose it and collect the
copper oxide. I think that the citrate forms a complex with the copper.
http://www.sciencemadness.org/talk/viewthread.php?tid=19913
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