Erbium Oxide
Formula : Er2O3
Appearance : Light pink powder
Application : Used in making of magnetic, glass and electric materials.
Items
Specifications
Typical analyses
Analytical instruments
Formula
Er2O3
Er2O3
Er2O3
Er2O3
REO %
= 99
=99
=99
= 99
Purity and relative RE impurities
Er2O3/REO %
= 99.99
=99.95
= 99.90
= 99.50
Tb4O7/REO %
= 0.001
TotalREimpurities= 0.05
TotalREimpurities= 0.1
TotalREimpurities= 0.5
= 0.001
?
Dy2O3/REO %
= 0.001
= 0.001
?
Ho2O3/REO %
= 0.001
= 0.001
?
Tm2O3/REO %
= 0.002
= 0.002
?
Yb2O3/REO %
= 0.003
= 0.003
?
Y2O3/REO %
= 0.002
= 0.002
?
Non-RE impurities
Fe2O3 %
= 0.0005
=0.001
= 0.001
= 0.005
= 0.0005
?
SiO2 %
=0.003
=0.005
= 0.005
= 0.01
= 0.003
CaO %
=0.0015
= 0.0015
= 0.02
= 0.05
= 0.0015
?
CuO %
= 0.001
= 0.002
= 0.005
= 0.005
= 0.001
?
Cl- %
= 0.02
= 0.02
= 0.03
= 0.03
= 0.02
Loss on ignition %(1000?, 1hour)
=1
=1
= 1
= 1
= 1
Notes
ICP-AES/ Induction coupler plasma atomic emission spectrograph
PE-3100/ Atomic absorption spectrophotometer
[Rare Earth] Erbium Oxide(Er2O3)
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