Butterbrot [SEP] material used
Butterbrot
The German word Butterbrot (literally: butter bread = bread with butter) describes a slice of bread topped with butter. The words in formal and colloquial German and the different dialects for "butterbrot" (different from "belegtes Brot" - with cheese, sausages etc.), simply "Brot" ("bread"), "Butterstulle", "Stulle", "Schnitte" (all three Low German/Berlinerisch dialect), "Botteramm" (Colognian dialect), "Bütterken" (Lower
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