Translation for 'columbium' from English to Finnish

columbium <Nb> [dated]

niobium {noun} <Nb>kem.

• In 1801 Charles Hatchett discovered the element niobium in this specimen, which he named columbium in honour of explorer Christopher Columbus.
• Charles Hatchett FRS FRSE (2 January 1765 – 10 March 1847) was an English mineralogist and analytical chemist who discovered the element niobium, for which he proposed the name "columbium".
• Harmann proposed that a new element he called "ilmenium" should be present in this mineral, but later, Christian Wilhelm Blomstrand, Galissard de Marignac, and Heinrich Rose found only tantalum and niobium (columbium) in it.
• The niobium-dominant mineral in coltan is columbite (after niobium's original American name "columbium"), and the tantalum-dominant mineral is the tantalite.
• Alloy of the same name with the designation "Cb-3" indicates columbium stabilized.

• Large deposits of niobium (columbium), tantalum, and zirconium (about 60 million metric tons in varying proportions and grades) have been recorded in the Kanyika pyrochlore mines.
• A niobium electrolytic capacitor (historically also "Columbium capacitor") is an electrolytic capacitor whose anode (+) is made of passivated niobium metal or niobium monoxide, on which an insulating niobium pentoxide layer acts as a dielectric.