en columbium 1 niobium, Nb
a soft, greyish-white chemical element, atomic number 41, which is one of the transition metals, occurs in tantalite, columbite, and other minerals, and is used in superconducting alloys, keemiline element, hästi töödeldav helehall metall, stº 2477 ºC, tihedus 8,57 Mg /m3
fr columbium 1 niobium
a soft, greyish-white chemical element, atomic number 41, which is one of the transition metals, occurs in tantalite, columbite, and other minerals, and is used in superconducting alloys, keemiline element, hästi töödeldav helehall metall, stº 2477 ºC, tihedus 8,57 Mg /m3

columbium

Terminological databases

EKI terminibaas Esterm

ID 732175 Last modified 03.09.2015

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Domain inorganic chemistry

nioobium

niobium preferred

columbium former

niobium preferred

columbium former

Niob

niobium preferred

kolumbium former

keemiline element, hästi töödeldav helehall metall, stº 2477 ºC, tihedus 8,57 Mg /m3

a soft, greyish-white chemical element, atomic number 41, which is one of the transition metals, occurs in tantalite, columbite, and other minerals, and is used in superconducting alloys

nioobium

Nb symbol

niobium preferred

columbium former

Good to know

The official IUPAC name is niobium (Nb), adopted as late as 1950, but the North American metals industry still calls it columbium.
Name obsolete in Europe.

Nb symbol

niobium preferred

columbium former

Niob

niobium preferred

kolumbium former

in the EU's IATE term base

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columbium

Terminological databases

EKI terminibaas Esterm

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