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Europium is a chemical element with symbol Eu and atomic number 63. Europium is one of the least abundant elements in the universe, with only about 5×10−8% in the entire universe.
E 0456 (OTTOKEMI) Europium pieces, sublimed dendritic, 99.9% Cas 7440-53-1 - used as an agent in manufacturing fluorescent gas and is used in television and computer screens as a phosphor for emitting red light.