ok so i hear the old 2 ps and 1ps from b4 1992 are sumthink like 97percent copper can u bang loads ov these in liquid and separat the coper from the zinc or whtever its got in with it?, and is it goin to be the same price as dry bright clean coper, i know this is not aloud and im talking as a what if kind of question ,,, chears kev