Assertion: protactinium | /r/CapableOf | decay after chemical separation of the pa
Facets:
value: from the u.
type: LOCATION
value: rapidly
type: MANNER
Source sentences:
text: The atomic weight of Pa isotopes in radioactive equilibrium with normal uranium (including both 231Pa and 234Pa) is not included within this uncertainty because 234Pa will decay rapidly to insignificance after chemical separation of the Pa from the U.