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Description
Category: Rare Earth Oxides
FormulaSm2O3
CAS No. 12060-58-1
Molecular Weight 348.80
Appearance Light yellow powder
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Slightly hygroscopic
Application: Samarium Oxide, also called Samaria, Samarium has a high neutron absorption capacity, Samarium Oxides have specialized uses in glass, phosphors, lasers, and thermoelectric devices. Calcium chloride crystals treated with samarium have been employed in lasers which produce beams of light intense enough to burn metal or bounce off the moon.
Standard Specifications
| Grade | 99.999 | 99.99% | 99.9% | 99% |
| CHEMICAL COMPOSITION | ||||
| Sm2O3/TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
| TREO (% min.) | 99.5 | 99 | 99 | 99 |
| Loss On Ignition (% max.) | 0.5 | 0.5 | 1 | 1 |
| Rare Earth Impurities | % max. | % max. | % max. | % max. |
| Pr6O11/TREO Nd2O3/TREO Eu2O3/TREO Gd2O3/TREO Y2O3/TREO |
0.0003 0.0005 0.0005 0.0005 0.0001 |
0.005 0.01 0.01 0.005 0.005 |
0.01 0.05 0.03 0.01 0.01 |
0.03 0.25 0.25 0.03 0.01 |
| Non-Rare Earth Impurities | % max. | % max. | % max. | % max. |
| Fe2O3 SiO2 CaO Cl- NiO CuO CoO |
0.0005 0.005 0.005 0.005 0.0003 0.0003 0.0003 |
0.0005 0.005 0.01 0.01 0.001 0.001 0.001 |
0.001 0.015 0.02 0.01 |
0.003 0.03 0.03 0.02 |
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