Assertion: hafnium | /r/HasProperty | difficult to separate
Facets:
value: quite
type: DEGREE
Source sentences:
text: Because the two metals share similar occurrence and properties, hafnium is extremely difficult to separate from zirconium.
text: Hafnium is difficult to separate from zirconium and is present in all of its ores.
text: Hafnium and zirconium are quite difficult to separate, and even very pure zirconium is often sold with the understanding that there is several percent of hafnium contamination, and vice versa.
text: Hafnium is difficult to separate from zirconium and is present in all of its ores.
text: Hafnium and zirconium are quite difficult to separate, and even very pure zirconium is often sold with the understanding that there is several percent of hafnium contamination, and vice versa.