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Erbium Hydroxide, Er(OH)3, 99%, 99.90%, 99.99%,99.999%

Due to price variation based on the quantity and purity, please Contact Us for a quote.We sell in grams, kilograms and tons.

Formula Er(OH)3.xH2O
CAS No. 14646-16-3
Molecular Weight
218.26
Appearance Purple
Solubility Insoluble in water, soluble in strong mineral acids
Stability Slightly hygroscopic

 

 

Standard Specifications
Product Code CC-6851 CC-6853 CC-6855 CC-6857
Grade 99.999% 99.99% 99.9% 99%
CHEMICAL COMPOSITION        
Er2O3/TREO (% min.) 99.999 99.99 99.9 99
TREO (% min.) 60 60 60 60
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
Cl-
CoO
NiO
CuO

0.0002
0.00
1
0.00
3
0.00
5
0.000
1
0.000
1
0.000
1
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

 

 

 

 

 

 


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