High pure Erbium(III) oxide 99,99%
Erbium(III) oxide (Er2O3), a pink solid, is a compound of erbium sometimes used as a colouring for glasses and a dopant for optical fibres and optical amplifiers. It was partially isolated by Carl Gustaf Mosander in 1843, and first obtained in pure form in 1905 by Georges Urbain and Charles James.
Melting point: 2400 deg. C.
Its easy to produce other Erbium compounds with this material.