A copper anode is used, often made from scrap copper.
Since scrap copper retains much of its primary value, copper's life cycle costs are reduced when accounting for its salvage value.
The mint advertised to buy scrap copper, but little was offered.
These were routinely used as part of the mix of grades of scrap copper used to charge the furnaces.
The buyers are Russians who made overnight fortunes in the Klondike atmosphere, selling everything from scrap copper to uncut diamonds.
The price of high-grade scrap copper also rose a cent, to $1.02 a pound.
Neighborhood "scrap drives" collected scrap copper and brass for use in artillery shells.
In copper recycling, this is the point where scrap copper is introduced.
Mr. Demler said this grade of scrap copper was no longer selling at discounts to Comex prices.
In 1996, a false alert had been sounded because thieves tried to steal underground communication cables for scrap copper.