Solution

erbium oxide

Product Code	ERO-5N	ERO-4N	ERO-3N	ERO-2N
Grade	100.00%	99.99%	99.90%	99%
CHEMICAL COMPOSITION
Er2O3/TREO (% min.)	99.999	99.99	99.9	99
TREO (% min.)	99	99	99	99
Loss On Ignition (% max.)	0.5	0.5	1	1
Rare Earth Impurities	% max.	% max.	% max.	% max.
Tb4O7/TREO Dy2O3/TREO Ho2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3/TREO Y2O3/TREO	0.0001 0.0001 0.0003 0.0003 0.0003 0.0001 0.0003	0.0005 0.0005 0.001 0.005 0.0005 0.0005 0.0005	0.01 0.01 0.03 0.03 0.005 0.005 0.1	0.05 0.1 0.3 0.3 0.1 0.01 0.5
Non-Rare Earth Impurities	% max.	% max.	% max.	% max.
Fe2O3 SiO2 CaO Cl- CoO NiO CuO	0.0002 0.001 0.003 0.005 0.0001 0.0001 0.0001	0.0005 0.001 0.005 0.005 0.0005 0.0005 0.0005	0.001 0.005 0.005 0.02	0.005 0.02 0.02 0.05

Application: an important colourant in glasses and porcelain enamel glazes. High purity Erbium Oxide are widely applied as dopant in making optical fibre and amplifier.  Raw meterial for erbium metal .