The Gallant Conversation [SEP] material used
The Gallant Conversation
The Gallant Conversation is an oil-on-canvas painting from circa 1654 by Gerard ter Borch (the Younger). A late 18th century French print of the work is titled The Paternal Admonition, apparently believing it showed a father reprimanding his daughter, but modern art historians see it as a conversation between two prospective lovers, either a discussion of a betrothal or, more likely, a customer propositioning a prostitute in a brothel.
Painting.
The painting shows a man talking to a young woman
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