The Great Double [SEP] material used
The Great Double
The Great Double is a bronze sculpture by the Argentine artist Alicia Penalba (1913-1982). One statue named "Le Grand Double" (1962-1964) is on display in the sculpture garden of the Dutch Kröller-Müller Museum. Another (1972) is on display outside the MGIC building in Milwaukee, Wisconsin.
Description.
"The Great Double" measures 28 feet high and weighs 12 tons. The sculpture was produced by the Tesconi & C. Fonderia D'Arte S.N.C located in Pietrasanta
to cathodically protect metals that are exposed to sea water. A zinc disc attached to a ship's iron rudder will slowly corrode while the rudder stays intact. Similarly, a zinc plug attached to a propeller or the metal protective guard for the keel of the ship provides temporary protection.
With a standard electrode potential (SEP) of −0.76 volts, zinc is used as an anode material for batteries. (More reactive lithium (SEP −3.04 V) is used for anodes in lithium batteries ). Powdered zinc is used in