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Descriptor in English: Protactinium
Descriptor in Spanish: Protactinio
Descriptor in Portuguese: Protoactínio
Descriptor in French: Protactinium
Tree number(s): D01.268.271.100.725
D01.268.556.750
D01.496.749.305.100.725
D01.552.020.778
D01.552.544.750
Scope note: A radioactive element of the actinide group of metals. It has the atomic symbol Pa, atomic number 91, and atomic weight 231. It decays by alpha-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: 29524
Descriptor UI: D011478
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2017/04/25
Protactinium - Preferred
Concept UI M0017841
Scope note A radioactive element of the actinide group of metals. It has the atomic symbol Pa, atomic number 91, and atomic weight 231. It decays by alpha-emission.
Preferred term Protactinium



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