| Customization: | Available |
|---|---|
| CAS No.: | 12061-16-4 |
| Formula: | Er2o3 |
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Application:
Mainly used as yttrium iron garnet additives and nuclear reactor control materials used in the manufacture of special glass and absorb infrared light-emitting glass, also used glass coloring agent.
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Items
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Grade
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|||||
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Er2O3/REO% min.
|
99
|
99.5
|
99.9
|
99.95
|
99.99
|
|
|
REO % min.
|
99
|
99
|
99
|
99
|
99
|
|
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Rare earthimpurities
% max.
|
Dy2O3
|
Total 1.0
|
Total 0.5
|
Total 0.1
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Total 0.05
|
0.0005
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HO2O3
|
0.0015
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|||||
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Tm2O3
|
0.002
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|||||
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Yb2O3
|
0.002
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|||||
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Lu2O3
|
0.001
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|||||
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Y2O3
|
0.002
|
|||||
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Other Rare earth impurities %Max. |
0.001
|
|||||
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% max. |
Fe2O3
|
0.005
|
0.002
|
0.001
|
0.001
|
0.0005
|
|
SiO2
|
0.02
|
0.01
|
0.005
|
0.005
|
0.003
|
|
|
CaO
|
0.02
|
0.02
|
0.01
|
0.005
|
0.001
|
|
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CuO
|
-
|
-
|
-
|
0.001
|
0.001
|
|
|
PbO
|
-
|
-
|
-
|
0.001
|
0.001
|
|
|
NiO
|
-
|
-
|
-
|
0.001
|
0.001
|
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