Description
Product property
Product Name: Europium Oxide
CAS: 1308-96-9
MF: Eu2O3
MW: 351.93
EINECS: 215-165-6
Melting point：2291°C
Density：7.42 g/mL at 25 °C(lit.)
Storage temp：Storage temperature: no restrictions.
Form：nanopowder
Color：White to slightly pink
Specific Gravity：7.42
Water Solubility：Soluble in acids. Insoluble in water.
Sensitive：Hygroscopic
Merck：14,3904
Specification
| Eu2O3/TREO (% min.) |
99.999 |
99.99 |
99.9 |
| TREO (% min.) |
99 |
99 |
99 |
| Loss On Ignition (% max.) |
0.5 |
1 |
1 |
| Rare Earth Impurities |
ppm max. |
ppm max. |
% max. |
| La2O3/TREO |
1 |
5 |
0.001 |
| CeO2/TREO |
1 |
5 |
0.001 |
| Pr6O11/TREO |
1 |
5 |
0.001 |
| Nd2O3/TREO |
1 |
5 |
0.001 |
| Sm2O3/TREO |
2 |
10 |
0.05 |
| Gd2O3/TREO |
1 |
10 |
0.05 |
| Tb4O7/TREO |
1 |
10 |
0.001 |
| Dy2O3/TREO |
1 |
10 |
0.001 |
| Ho2O3/TREO |
1 |
5 |
0.001 |
| Er2O3/TREO |
1 |
5 |
0.001 |
| Tm2O3/TREO |
1 |
5 |
0.001 |
| Yb2O3/TREO |
1 |
5 |
0.001 |
| Lu2O3/TREO |
1 |
5 |
0.001 |
| Y2O3/TREO |
1 |
5 |
0.001 |
| Non-Rare Earth Impurities |
ppm max. |
ppm max. |
% max. |
| Fe2O3 |
5 |
8 |
0.001 |
| SiO2 |
50 |
100 |
0.01 |
| CaO |
10 |
30 |
0.01 |
| CuO |
1 |
5 |
0.001 |
| Cl- |
100 |
300 |
0.03 |
| NiO |
2 |
5 |
0.001 |
| ZnO |
3 |
10 |
0.001 |
| PbO |
2 |
5 |
0.001 |
Application
Europium oxide usually used for the manufacture of color television phosphors, lamps with trichromatic phosphors and X-ray
intensifier screen activator.
Storage
The storeroom is ventilated and dried at low temperature.