Preferred Label : metals, rare earth;
MeSH definition : A group of elements that include SCANDIUM; YTTRIUM; and the LANTHANOID SERIES ELEMENTS.
Historically, the rare earth metals got their name from the fact that they were never
found in their pure elemental form, but as an oxide. In addition they were very difficult
to purify. They are not truly rare and comprise about 25% of the metals in the earth's
crust.; A group of elements that include SCANDIUM; YTTRIUM; and the LANTHANOID SERIES ELEMENTS.
Historically, the rare earth metals got their name from the fact that they were never
found in their pure elemental form, but as an oxide. In addition, they were very difficult
to purify. They are not truly rare and comprise about 25% of the metals in the earth's
crust.;
MeSH synonym : earth metals, rare; rare earth metals; Rare Earth Metal; Earth Metal, Rare; Metal, Rare Earth;
Wikipedia automatic translation : Rare-earth element;
MeSH annotation : GEN: prefer specifics; general or unspecified; prefer specifics;
Wikipedia link : https://en.wikipedia.org/wiki/Rare-earth element;
Is substance : O;
Origin ID : D008674;
UMLS CUI : C0025556;
Allowable qualifiers
- Indexing information
- Record concept(s)
- Related MeSH Supplementary Concept(s)
- Semantic type(s)
A group of elements that include SCANDIUM; YTTRIUM; and the LANTHANOID SERIES ELEMENTS.
Historically, the rare earth metals got their name from the fact that they were never
found in their pure elemental form, but as an oxide. In addition they were very difficult
to purify. They are not truly rare and comprise about 25% of the metals in the earth's
crust.
A group of elements that include SCANDIUM; YTTRIUM; and the LANTHANOID SERIES ELEMENTS.
Historically, the rare earth metals got their name from the fact that they were never
found in their pure elemental form, but as an oxide. In addition, they were very difficult
to purify. They are not truly rare and comprise about 25% of the metals in the earth's
crust.
