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Preferred term

Astatine  

Type

  • Topical Descriptor

Scope note

  • Astatine. A radioactive halogen with the atomic symbol At, and atomic number 85. Its isotopes range in mass number from 200 to 219 and all have an extremely short half-life. Astatine may be of use in the treatment of hyperthyroidism because it emits ALPHA PARTICLES.

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URI

http://www.yso.fi/onto/mesh/D001246

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