Rare Earth Product Information
& Standard Specifications
product details
Erbium Chloride
Erbium Chloride

Erbium Chloride is an important colourant in glasses and porcelain enamel glazes. High purity Erbium Chloride is widely applied as dopant in making optical fibre and amplifier.
Formula ErCl3.6H2O
CAS No. 10138-41-7
Molecular Weight 273.62
Appearance Pink crystalline
Solubility Soluble in water, strongly soluble in strong mineral acids
Stability Slightly hygroscopic
GermanErbiumChlorid FrenchChlorure De Erbium SpanishCloruro Del Erbio
Standard Specifications
Product Code 6831 6833 6835 6837
Grade 99.999% 99.99%  99.9% 99%
CHEMICAL COMPOSITION     กก กก
Er2O3/TREO (% min.) 99.999 99.99 99.9 99
TREO (% min.) 45 45 45 45
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
0.0005
0.0005
0.0001
0.0001
0.0001		 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
CoO
NiO
CuO
 		0.0002
0.001
0.003
 0.0001
0.0001
0.0001
 0.0005
0.001
0.005
0.0005
0.0005
0.0005
0.001
0.005
0.005
 		0.005
0.02
0.02
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