The remaining concentrate will consist of between 1 to 15 percent zinc, but retain a high sulphur content (around 30 percent) that must be removed. This can be done by
The prices listed below are based on the daily cash buyer contract prices settled at the LME averaged for each month.
Zinc is a lustrous bluish-grey metal that is primarily used to galvanize iron and steel in order to protect against...
Approximately half of all zinc produced is used to galvanize carbon steel products. Due to its electro-positivity, zinc acts as a sacrificial anode when
The London bullion market is the preeminent, international over-the-counter market for the wholesale trading of gold and silver. Below are monthly averages of the London morning gold fix:
The copper prices listed below are based on the daily cash buyer contract prices settled at the LME averaged for each month during 2014.
Copper prices increased to an 11-week high this week on the back of greater optimism for the global economy and decreasing inventories.
Pure copper is a bright reddish-brown metal that, when exposed to corrosive environments, takes on a green-hued patina. This green layer of copper sulfate (or copper carbonate) results from
Terfenol-D is a magnetostrictive alloy that was developed in the 1970s by the US Naval Ordnance Laboratory.
Dysprosium metal is a soft, lustrous-silver rare earth element (REE) that is used in permanent magnets due to its paramagnetic strength and high temperature durability.