Papyrus of Ani [SEP] material used
Papyrus of Ani
The Papyrus of Ani is a papyrus manuscript in the form of a scroll with cursive hieroglyphs and color illustrations that was created c. 1250 BCE, during the nineteenth dynasty of the New Kingdom of ancient Egypt. Egyptians compiled an individualized book for certain people upon their death, called the "Book of Going Forth by Day", more commonly known as the "Book of the Dead", typically containing declarations and spells to help the deceased in their afterlife. The "Papyrus of Ani" is the manuscript
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