Dissolving Copper or Zinc
Posted 09 May 2005 - 01:38 PM
Good luck with disassembling your penny.
Posted 27 May 2005 - 10:38 AM
First, read what I said. Uncle Al can explain it to you but Uncle Al cannot understand it for you. Second, learn some basic inorganic chemistry. Look at a table of half potentials. Any acid will (eventually) dissolve zinc. Copper will only dissolve in acid given oxidizing (and complexing) conditions. Cf: alloy crevice and pitting resistance in Green Death solution.
If you want it to last forever, you fabricate it from Hastelloy C-2000.
Posted 27 May 2005 - 12:19 PM
Posted 27 May 2005 - 12:25 PM
Posted 27 May 2005 - 02:24 PM
Give it a little time akcapr; uncle can get a little testie from time to time. You will find that he is however very intelligent and can help you with many of your projects.
Posted 16 February 2009 - 08:09 PM
Posted 16 February 2009 - 08:24 PM
Never mind on Cu dissolving with electric current with the help of a basic solution. It readily forms Cu(OH)2 which is quite insoluble. Sorry bout that. Just running a current through a copper wire in a Cu-X solution will have it dissolve into that solution. The current will depend on that solutions conductivity. I suggest CuSO4.