I am sure this has been covered. Looked through some old posts. Thought someone used copper sulfate in a cell? Have some scraps of melts and various silver containing sands. Some gold is in it also. And magnetite. Have basic household chemicals. Lye, copper sulphate, sulfuric acid, Hydrochloric acid, potassium nitrate and a few others. Can any of these work as an electrolyte? Not trying to get .999. Just trying to get it out of the junk. Thank you.