[variacable]

Hey guys and gals.

I am new here and not sure if this is the correct area to be asking this, but how would i go about precipitating copper out of ammonium persulfate so i can recover it and melt it down for later projects such as reactions, electroplating, making copper sulfate and other various things, any help will be much appreciated.

Cheers Liam

[Borek]

Making pH high enough should do the trick. Ammonia will interfere though. A lot depends on the concentrations of ions present.

[Arkcon]

In what form is the copper?  Its not sitting there as copper metal, that's a solid.  Copper persulfate, while it may exist, doesn't sound to me like the most common form -- I'm suspecting its another salt.  Do the two salts have different solubilities?  That's something you can exploit.  Where did you get this particular mix, and what is this typically used for.  Copper isn't cheap, but its not exactly hard to find in a reasonably pure form, if you need it for a home experiment.

[variacable]

I think its a weak copper sulfate that's very contaminated with ammonia like Borek was saying, this solution is a byproduct of me etching copper circuit boards. i do have a lot of copper out in my shed in a box, but was wanting to retrieve the copper out of the solution for something to do this weekend

[Borek]

The simplest approach is to reduce copper, but it will be tricky in the presence of the strong oxidizer. Precipitating the copper out of the solution first seems the best approach.