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Descriptor in English: Actinium
Descriptor in Spanish: Actinio
Descriptor in Portuguese: Actínio
Descriptor in French: Actinium
Tree number(s): D01.268.271.100.033
D01.268.556.025
D01.496.749.305.100.033
D01.552.020.042
D01.552.544.025
Scope note: A trivalent radioactive element and the prototypical member of the actinide family. It has the atomic symbol Ac, and atomic number 89. Its principal isotope is 227 and it decays primarily by beta-emission.
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
EC economics
HI history
IP isolation & purification
ME metabolism
PD pharmacology
PK pharmacokinetics
PO poisoning
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
DeCS UI: 29313
Descriptor UI: D000186
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2017/04/21
Actinium - Preferred
Concept UI M0000279
Scope note A trivalent radioactive element and the prototypical member of the actinide family. It has the atomic symbol Ac, and atomic number 89. Its principal isotope is 227 and it decays primarily by beta-emission.
Preferred term Actinium



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