Columbĭum

Columbĭum

Columbĭum, nannte Hatchet das von ihm aus dem Columbit dargestellte Metall, von dem später bewiesen wurde, daß es mit dem fast zu gleicher Zeit von Ekeberg entdeckten Tantal identisch sei.


Pierer's Lexicon. 1857–1865.

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  • Columbium — Co*lum bi*um, n. [NL., fr. Columbia America.] (Chem.) A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly… …   The Collaborative International Dictionary of English

  • columbium — COLÚMBIUM s.n. v. columbiu. Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • columbium — The original name for niobium …   Elements of periodic system

  • columbium — [kə lum′bē əm] n. [ModL: so named (1801) by C. Hatchett (1765 1847), Brit chemist < COLUMBIA1 + IUM, because the ore had been brought from Massachusetts] former name for NIOBIUM …   English World dictionary

  • Columbium — Eigenschaften …   Deutsch Wikipedia

  • columbium — niobium i*o bi*um, n. [NL., fr. L. & E. {Niobe}.] (Chem.) The chemical element of atomic number 41. Chemical symbol Nb. Atomic weight 92.91. Previously called {columbium}. See also {Columbium}. [1913 Webster] …   The Collaborative International Dictionary of English

  • columbium — ● colombium ou columbium nom masculin Ancien nom du niobium …   Encyclopédie Universelle

  • columbium — niobis statusas T sritis chemija apibrėžtis Cheminis elementas. simbolis( iai) Nb atitikmenys: lot. niobium angl. columbium; niobium rus. ниобий …   Chemijos terminų aiškinamasis žodynas

  • columbium — niobis statusas T sritis fizika atitikmenys: angl. columbium; niobium vok. Niob, n rus. ниобий, m pranc. niobium, m …   Fizikos terminų žodynas

  • columbium — noun Etymology: New Latin, from Columbia Date: 1801 niobium …   New Collegiate Dictionary

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