16 Facts About Niobium


Niobium, or columbium, is a chemical element with chemical symbol Nb and atomic number 41.

FactSnippet No. 979,865

Niobium is often found in the minerals pyrochlore and columbite, hence the former name "columbium".

FactSnippet No. 979,866

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.

FactSnippet No. 979,867

Niobium is used mostly in alloys, the largest part in special steel such as that used in gas pipelines.

FactSnippet No. 979,868

Niobium was identified by English chemist Charles Hatchett in 1801.

FactSnippet No. 979,869

Related searches

United States

Niobium is a lustrous, grey, ductile, paramagnetic metal in group 5 of the periodic table, with an electron configuration in the outermost shells atypical for group 5.

FactSnippet No. 979,870

Niobium has the greatest magnetic penetration depth of any element.

FactSnippet No. 979,871

Niobium is slightly less electropositive and more compact than its predecessor in the periodic table, zirconium, whereas it is virtually identical in size to the heavier tantalum atoms, as a result of the lanthanide contraction.

FactSnippet No. 979,872

Niobium pentafluoride is a white solid with a melting point of 79.

FactSnippet No. 979,873

Niobium capacitors are available as alternative to tantalum capacitors, but tantalum capacitors still predominate.

FactSnippet No. 979,874

Niobium is added to glass to obtain a higher refractive index, making possible thinner and lighter corrective glasses.

FactSnippet No. 979,875

Niobium treated with sodium hydroxide forms a porous layer that aids osseointegration.

FactSnippet No. 979,876

Niobium is used as a precious metal in commemorative coins, often with silver or gold.

FactSnippet No. 979,877

Niobium is used in arc welding rods for some stabilized grades of stainless steel and in anodes for cathodic protection systems on some water tanks, which are then usually plated with platinum.

FactSnippet No. 979,878

Niobium is an important component of high-performance heterogeneous catalysts for the production of acrylic acid by selective oxidation of propane.

FactSnippet No. 979,879

Niobium is used to make the high voltage wire of the solar corona particles receptor module of the Parker Solar Probe.

FactSnippet No. 979,880