Samarium (III) oxide (Sm2O3) is a compound. The colour of the oxide is usually white to yellowish and usually occurs as a very fine dust in powder form.
Applications:
1. Samarium (III) oxide is used in optical and infrared absorbing glass to absorb infrared radiation.
2. In addition, it is used as a neutron absorber in control rods of nuclear power reactors. Samarium oxide catalyses the dehydration and dehydrogenation of primary and secondary alcohols.
3. Another application includes the preparation of other samarium salts.
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