Item name: Electronic grade- Samarium oxide
Formula: Sm2O3
Molecular weight: 348.7182
CAS: 12060-58-1
Density: 8.3477.24g/cm3
Melting point 2262℃
Samarium(III) oxide may be prepared by two methods:
1. thermal decomposition of samarium(III) carbonate, hydroxide, nitrate, oxalate or sulfate:
Sm2(CO3)3 → Sm2O3 + 3 CO2
2. by burning the metal in air or oxygen at a temperature above 150 °C:
4 Sm + 3 O2 → 2 Sm2O3
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