Samarium (III) Oxide, Sm₂O₃, 99.99% 4N High Purity Powder

Product Number: PO4101 (500g), PO4102 (100 g), PO4103 (1 kg)
Formula: Sm₂O₃
CAS Number: 12060-58-1
Molecular Weight: 348.72 g/mol
Density: 8.347 g/cm³ at 25°C
Melting Point: 2335°C
Color: Light yellow powder
Solubility: Insoluble in water.
Purity: 99.99% 4N (Sm₂O₃/TREO*)

* TREO - Total Rare Earth Oxides

Applications

Samarium(III) oxide, Sm₂O₃ is used in optical and infrared absorbing glass to absorb infrared radiation. It finds use as a neutron absorber in nuclear power reactors to control the reaction. It is also used as a catalyst for the dehydration of primary alcohols to aldehydes or ketones. It has specialized uses in glass, phosphors, lasers, and thermoelectric devices.

Notes: More detailed product information including SDS, certificate of analysis (COA), lead time and volume pricing are available upon request.

Rare Earth Impurities Content (ppm)	Non- Rare Earth Impurities Content (ppm)
Pr₆O₁₁ <10.0	Fe₂O₃ <3.0
Nd₂O₃ <35.0	SiO₂ <30.0
Eu₂O₃ <10.0	CaO <50.0
Gd₂O₃ <10.0	Cl^- <200.0
Y₂O₃ <10.0	Al₂O₃ <100.0
Other rare earth oxide total <25.0	Others <25.0

References

1. Effect of Sm₂O₃ modification on Li[Li_0.2Mn_0.56Ni_0.16Co_0.08]O₂ cathode material for lithium ion batteries, Electrochim. Acta, Volume 108, 1 October 2013, Pages 441-448

2. High performance Ni–Sm₂O₃ cermet anodes for intermediate-temperature solid oxide fuel cells, J. Power Sources, Volume 187, Issue 2, 15 February 2009, Pages 400-402

3. Effects of Li Doping on MgO-Supported Sm₂O₃ and TbO_x Catalysts in the Oxidative Coupling of Methane, ACS Catal. 2014, 4, 6, 1972–1990