Canadian Medical Guide > Chemicals and Drugs > Inorganic Chemicals > Elements > Lanthanoid Series Elements > Lanthanum Terms and Definitions




Lanthanum

Medical Definition: Lanthanum. The prototypical element in the rare earth family of metals. It has the atomic symbol La, atomic number 57, and atomic weight 138.91. Lanthanide ion is used in experimental biology as a calcium antagonist; lanthanum oxide improves the optical properties of glass.
Guide Notes: a rare earth metal; La-139; La-138 = LANTHANUM (IM) + ISOTOPES (NIM); La-126-137, 140-144 = LANTHANUM (IM) + RADIOISOTOPES (IM)
CAS Type 1 Name: CAS Number: 7439-91-0

Lanthanum Medical Definitions and Terms

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