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Metals, Rare Earth MeSH Descriptor Data 2022


MeSH Heading
Metals, Rare Earth
Tree Number(s)
D01.268.558
D01.552.550
Unique ID
D008674
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D008674
Annotation
general or unspecified; prefer specifics
Scope Note
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.
Entry Term(s)
Rare Earth Metal
Rare Earth Metals
Registry Number
0
Previous Indexing
Metals (1966-1975)
Public MeSH Note
76
History Note
76; was NON MESH before 1976
Date Established
1976/01/01
Date of Entry
1975/07/23
Revision Date
2021/06/30
Metals, Rare Earth Preferred
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