EUROPIUM  , a metallic chemical See also:

• ELEMENT (Lat. elementum)

element, See also:

• SYMBOL (Gr. o-uµ(3oXov, a sign)

symbol Eu, atomic See also:

• WEIGHT

weight 152.0 (0=16) . The See also:

• OXIDE

oxide Eu O3 occurs in very small quantity in the minerals of the rare earths, and was first obtained in 1896 by E, A . Demarcay from Lecoq de Boisbaudran's samarium; G . Urbain and H . Lacombe in 1904 obtained the pure salts by fractional See also:

• CRYSTALLIZATION

crystallization of the nitric See also:

• ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid See also:

• SOLUTION (from Lat. solvere, to loosen, dissolve)

solution with See also:

• MAGNESIUM [symbol Mg, atomic weight 24.32 (0 = 16)]

magnesium nitrate in the presence of See also:

• BISMUTH

bismuth nitrate . The salts have a faint See also:

• PINK

pink See also:

• COLOUR (Lat. color, connected with celare, to hide, the root meaning, therefore, being that of a covering)

colour, and show a faint absorption spectrum; the spark spectrum is brilliant and well characterized .