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  1. 11 Οκτ 2024 · Niobium was first discovered (1801) in an ore sample from Connecticut by the English chemist Charles Hatchett, who called the element columbium in honour of the country of its origin, Columbia being a synonym for the United States.

    • Tantalite

      Tantalite, tantalum-rich variety of the mineral columbite...

  2. en.wikipedia.org › wiki › NiobiumNiobium - Wikipedia

    In 1864 and 1865, a series of scientific findings clarified that niobium and columbium were the same element (as distinguished from tantalum), and for a century both names were used interchangeably. Niobium was officially adopted as the name of the element in 1949, but the name columbium remains in current use in metallurgy in the United States.

  3. History of Niobium Origin of its Name. It is named after Niobe, the daughter of King Tantalus in Greek mythology, who was turned into a stone while crying after the murder of his fourteen children [1].

  4. Historical Background. Niobium was discovered by an English chemist, Charles Hatchett, in 1801 when he analyzed a sample of an unknown mineral found in America. He initially named the element "columbium," after Christopher Columbus.

  5. Niobium was discovered in 1801 by Charles Hatchett. Initially, it was named Columbium (with symbol Cb) after Columbia; a state of United States. Later, due to confusion, it was considered another element, known as tantalum, and in 1846, German Chemist Heinrich Rose proposed that it was indeed a novel element and named it Niobium.

  6. Niobium was discovered in 1801 by Charles Hatchett in an ore called columbite sent to England in the 1750s by John Winthrop the Younger, the first goveror of Connecticut, USA. Hatchett called the new element columbium.

  7. 27 Δεκ 2023 · Niobium is a transition metal that is known for its strength and unique physical properties. It has the atomic symbol Nb and atomic number 41. However, the element’s original name was columbium with symbol Cb. Discovery and Naming. Niobium was discovered by the English chemist Charles Hatchett in 1801. He found it in a mineral sample from ...