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US 12,595,531 B2Granted
Method of preparing scandium metal
AssigneeIndustrial Technology Research Institute
InventorsSheng-Chun Fu, Yang-Sheng Huang, Chia-Ming Chang
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Abstract
A method of preparing scandium metal includes mixing aluminum powder and scandium fluoride powder to form a mixture, heating the mixture in a vacuum environment to react the aluminum powder with the scandium fluoride powder for forming aluminum fluoride gas and scandium metal, and removing the aluminum fluoride gas by evacuation to obtain the scandium metal.
Claims7
A method of preparing scandium metal, comprising:
- mixing aluminum powder and scandium fluoride powder to form a mixture;
- heating the mixture in a vacuum environment to react the aluminum powder with the scandium fluoride powder for forming aluminum fluoride gas and scandium metal;
- and
- removing the aluminum fluoride gas by evacuation to obtain the scandium metal, wherein the scandium metal has a purity of 99 wt % to 100 wt %.
1 more element
Dependencies are inferred from the claim text.