Name : Samarium oxide, Samarium (III) Oxide
CAS No.: 12060-58-1
Appearance: pale yellow powder
Formula: Sm2O3
Formula weight: 348.72
EINECS No.: 235-043-6
Density: 8.347g/cm3
Melting point: 2325°C
Solubility: insoluble in water , soluble in inorganic acid
Purity(Sm2O3/ REO): 4N(99.99%)
Samarium Oxide is mainly used to make metal Samarium , magnetic materials , electronic elements, ceramic capacitors, catalyst, and atomic reactor structural materials etc.
Purity |
4N |
3N5 |
3N |
2N5 |
2N |
|
REO % min. |
99 |
99 |
99 |
99 |
99 |
|
Sm2O3 /REO % min. |
99.99 |
99.95 |
99.9 |
99.5 |
99 |
|
Rare earth impurities % max. |
Pr6O11 |
0.001 |
Eu2O3 max.: |
total |
total |
total |
|
0.1 |
0.5 |
1 |
|||
Nd2O3 |
0.0035 |
0.0050, |
|
|
|
|
Eu2O3 |
0.001 |
other REO |
|
|
|
|
Gd2O3 |
0.001 |
|
|
|
|
|
Y2O3 |
0.001 |
total max.: |
|
|
|
|
other REO |
total |
|
|
|
|
|
0.0025 |
0.05 |
|
|
|
||
Non rare earth impurities % max. |
Fe2O3 |
0.0003 |
0.0005 |
0.001 |
0.01 |
0.003 |
SiO2 |
0.003 |
0.005 |
0.005 |
0.01 |
0.03 |
|
CaO |
0.005 |
0.008 |
0.01 |
0.03 |
0.05 |
|
Al2O3 |
0.01 |
0.02 |
0.02 |
0.03 |
0.04 |
|
Cl- |
0.01 |
0.01 |
0.01 |
0.02 |
0.03 |
|
Water content & L.O.I % max. |
1 |
1 |
1 |
1 |
1 |
|
Note: All above items are inspected after removal of water before ignition. |
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