(L. Hafinia, Copenhagen) Discovered in 1923 by Coster and von Hevesey. Named after the city in which it was discovered.
-- part contents for background part 23
----- text -----
transition metal, silver luster, ductile, similar to zirconium and difficult to separate from zirconium, corrosion resistant, finely divided it explodes in air
-- part contents for background part 24
----- text -----
alloying with iron, titanium, niobium and others, nuclear reactor control rods, gas-filled and incandescent lamps, "getter" for scavenging oxygen and nitrogen