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Niobium (Nb)-Plane Target

Niobium (Nb)-Plane Target

CAS: 7440-03-01
Molecular Formula: Nb
Purity: 99.9%-99.99%
Products Code: TR4100PT
Specification Model: 2 inch dia x 0.125 inch th.etc
Hazardous Class: Class4.1
EINECS No.: 231-113-5
UN No.: UN3089
Package Class: PGIII
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Niobium (Nb)-Plane Target introduce:

Characteristic




Niobium, formerly known as columbium, is a chemical element with the symbol Nb (formerly Cb) and atomic number 41. Niobium is a light grey, crystalline, and ductile transition metal. Pure niobium has a hardness similar to that of pure titanium, and it has similar ductility to iron. Its chemical and physical properties are similar to those of tantalum, making it difficult to distinguish the two.




Phase at STP:solid

Appearance:gray metallic, bluish when oxidized

Melting point:2750 K (2477 °C, 4491 °F)

Boiling point:5017 K (4744 °C, 8571 °F)

Density (near r.t.):8.57 g/cm3

Heat of fusion:30 kJ/mol

Heat of vaporization:689.9 kJ/mol

Molar heat capacity:24.60 J/(mol·K)




Application




Niobium is used in various superconducting materials. These superconducting alloys, also containing titanium and tin, are widely used in the superconducting magnets of MRI scanners. Other applications of niobium include welding, nuclear industries, electronics, optics, numismatics, and jewelry. In the last two applications, the low toxicity and iridescence produced by anodization are highly desired properties. Niobium is considered a technology-critical element.
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