Europium, Eu, is a silvery metallic element, which is found in the
lanthanide series of inner transition metals in
Group IIIa of the
There are two natural isotopes which are stable, Europium-151
and Europium-153, both of which are neutron absorbers.
- Atomic Number : 63
- Relative Atomic Mass : 151.96
- Melting Point : 822 degC
- Boiling Point : 1529 degC
- Relative Density : 5.245
Europium was discovered spectroscopically by Boisbaudran in 1890AD.
Europium was isolated by Demarcay in 1901 AD.
Europium occurs with the rare earths in their ores.
Europium is separated from other rare earths by ion exchange
Europium is a silvery-white soft metal, with the hardness of lead.
Europium resembles calcium in its reactions.
Europium is used
- in the red phosphors in colour TV tubes, and
- is used in lasers.
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