Assertion: hafnium | /r/HasProperty | removed
Facets:
value: almost entirely
type: DEGREE
value: from the metal
type: OTHER
value: scrupulously
type: MANNER
Source sentences:
text: Hafnium, present in all zirconium ores, must be scrupulously removed from the metal intended for reactor uses because hafnium strongly absorbs thermal neutrons.
text: Hafnium must therefore be almost entirely removed (reduced to < 0.02% of the alloy) for reactor applications.