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niobium

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Terminological databases

EKI terminibaas Esterm

ID 732175 Last modified 03.09.2015
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Domain inorganic chemistry
nioobium
Nb
niobium preferred
columbium former
Nb
niobium preferred
columbium former
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

Materjalitehnika terminibaas

ID 672774 Last modified 12.02.2025
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Domain non-ferrous metalsChemistrymaterials science
  • haruldane muldmetall, sümbol Nb, järjenr. 41, aatommass 92,91, sulamistemperatuur 2477 oC, suhteline tihedus 8,55
  • rare metallic element, symbol Nb, atomic no. 41, relative atomic mass 92.91, melting point 2477 oC, relative density 8.55
nioobium
niobium

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