Customization: | Available |
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CAS No.: | 1308-96-9 |
Formula: | EU2o3 |
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Eu2o3 europium oxide technical grade
Appearance: white powder slightly with pinkish
Formula:Eu2O3
Formula weight: 351.93
CAS No.: 1308-96-9
EINECS No.: 215-165-6
Density:7.42g/cm3
Melting point: 2291°C
Solubility: insoluble in water , soluble in acid
Purity(Eu2O3/ REO): 5N(99.999%)
Europium Oxide is mainly used to make fluorescent powder for color kinescope ,rare earth tri-color fluorescent powder for lamp , activator for X-Ray intensifying screen
Europium Oxide ; Eu2O3 |
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Purity |
4N |
5N |
5N |
|
REO % min. |
99 |
99 |
99 |
|
Eu2O3/REO% min. |
99.99 |
99.999 |
99.999 |
|
Rare earth impurities % max. |
La2O3 |
0.000 3 |
0.000 05 |
0.000 05 |
CeO2 |
0.000 5 |
0.000 05 |
0.000 05 |
|
Pr6O11 |
0.001 |
0.000 05 |
0.000 05 |
|
Nd2O3 |
0.001 |
0.000 05 |
0.000 05 |
|
Sm2O3 |
0.001 |
0.000 2 |
0.000 2 |
|
Gd2O3 |
0.001 |
0.000 2 |
0.000 2 |
|
Tb4O7 |
Total is less than 0.005 |
0.000 05 |
0.000 05 |
|
Dy2O3 |
0.000 05 |
0.000 05 |
||
Ho2O3 |
0.000 05 |
0.000 05 |
||
Er2O3 |
0.000 05 |
0.000 05 |
||
Tm2O3 |
0.000 05 |
0.000 05 |
||
Yb2O3 |
0.000 05 |
0.000 05 |
||
Lu2O3 |
0.000 05 |
0.000 05 |
||
Y2O3 |
0.000 05 |
0.000 05 |
||
Non rare earth impurities % max. |
Fe2O3 |
0.000 7 |
0.000 5 |
0.000 3 |
CaO |
0.001 |
0.000 8 |
0.000 8 |
|
CuO |
0.000 5 |
0.000 1 |
0.000 1 |
|
NiO |
0.000 5 |
0.000 1 |
0.000 1 |
|
PbO |
0.000 5 |
0.000 3 |
0.000 1 |
|
SiO2 |
0.005 |
0.005 |
0.001 |
|
ZnO |
0.000 5 |
0.000 5 |
0.000 1 |
|
Cl- |
0.01 |
0.01 |
0.005 |
|
L.O.I % Max. |
1 |
1 |
1 |