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.