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Nb
Niobium
Atomic no.:
41
Atom. weight: 92.90638
Density: 8.58
Class:
refractory metal
Melting point: 2468°C
Boiling point: 4928°C
Colour: Array
   
Discoverer: C. Hatchett
Place: London, England
Year: 1801

Discovered in 1801 by C. Hatchett in London, England. Niobium is a silver colored metal which is generally found in conjunction with tantalum, the two elements being separated by fractional crystallization of their respective fluoro-complexes. It has an abundance of 20 ppm in the earth's crust. As a pure metal, is very reactive and forms an extremely stable oxide when exposed to air which enhances its corrosion resistance. Niobium will react with a variety of non-metals at elevated temperatures. Niobium and its alloys have high melting points and are, therefore, used in high temperature engineering products (for use at temperatures in excess of 1200C). It is also used as an alloying agent for certain steels where it greatly improves the strength of the resulting material. Niobium also finds applications in atomic reactors due to its corrosion resistance and, when combined with either tin (Nb3Sn) or zirconium, it has a high degree of superconductivity.

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 Niobium metal crystals in ampoule >99,9% purity - 5.0 grams  Art. Nr. 001293  
Niobium metal crystals in ampoule >99,9% purity - 5.0 grams
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High purity Niobium crystalline piece in ampoule

Small crystals 1 - 3 mm sealed in ampoule under argon

Amount: 1 piece/Stk.
Purity : >99.9%
Packing: Ampoule
18.00
- tax free
5-9 pcs.: 17.00 Euro
>9 pcs.: 16.00 Euro
Availability: 49 in stock

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 NIOBIUM - precision density-standard cube 1cm3  Art. Nr. 003399  
NIOBIUM - precision density-standard cube 1cm3
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NIOBIUM - precision density-standard cube 1cm3 NEW!

Using finest materials, each density cube was lapped to 10x10x10mm by a mechanical engineering company with an accuracy of 0.01 millimeter. Each one separately ground and polished it represents the theoretical density of the respective element by its weight. The weight is not affected by the laser inscription. Information such as element symbol, name and density is durable burned at the surface. Each element even shows its specific characteristis in colour and reaction with the laser. Altogether 25 elements are planned in a complete set in a wooden case.

Amount: 1 St. / 1 pc..
Purity : ~99,95%
Packing: PE - bag
101.00
- tax free

Availability: 4 in stock

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 Niobium sphere - polished 30mm diameter - ~142 grams  Art. Nr. 001036  
Niobium sphere - polished 30mm diameter - ~142 grams
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High purity Niobium Sphere
3 times Electron-Beam melted + polished

30mm diameter (see sphere on the right)- These unique spheres of high purity niobium are very rare and practically only available here! Currently there is only one of these custom made spheres available

Amount: 142g
Purity : 99.99%
Packing: PE-bag
564.00
- tax free

Availability: 2 in stock

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 Acrylic Element cube - Niobium Nb - 50mm  Art. Nr. 003793  
Acrylic Element cube - Niobium Nb - 50mm
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The Sensation! Acrylic Element-blocks NEW!

Niobium - Nice beads with crystalline surface

The innovation! Selected element samples in amply amount embedded in 50x50x50mm first-class crystal clear acrylic (not cheap resin!) . Totally lightfast, high gloss polish. The text is embedded inside! Hand crafted! Made in the European Union! Each acrylic block is a unique and individual piece! EXTREMELY eye-catching!

These original acrylic cubes are used in many important and famous periodic table collections allover the world!

100% Handmade in the European Union!

 

Each cube comes in its separate original box!
     

Complete illuminated displays with our cubes are available on request

Amount: 1 St.
Purity : 99.95%
Packing: PE bag
60.00
- tax free

Availability: 3 in stock

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 High purity Niobium disc - sputter target Ø50.8mm x 3mm  Art. Nr. 003606  
High purity Niobium disc - sputter target Ø50.8mm x 3mm
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High purity Niobium disc - sputter target Ø50.8mm x 3mm

Diameter 2" (50.8mm) x Thickness 3mm
Purity 99.95%

Amount: ca. 53g
Purity : 99,95%
Packing: PE -bag
100.00
- tax free

Availability: 2 in stock

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 High purity polished Niob-Disc 99.95% purity - 182.9 grams  Art. Nr. 000810  
High purity polished Niob-Disc 99.95% purity - 182.9 grams
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High purity polished Niob-Disc 
Diameter > 2" (52mm) x Thickness 12mm

1 Side highly polished - Backside ground!

This is the ultimative Niobium sample!
Also available from other metals!

Amount: ca. 180g
Purity : 99,95%
Packing: PE-Beutel
372.00
- tax free

Availability: 1 in stock

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 Niobium tube - Ø14 mm - 145mm length - 99,95% purity  Art. Nr. 001533  
Niobium tube - Ø14 mm - 145mm length - 99,95% purity
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Niobium tube tempered - Ø 14 mm - 145mm length - 99,95% purity

Length ~ 145 mm - Outer diameter ~14mm - Inner diameter ~ 4mm - weight ~ 124g

For lab use

Unique piece.

Amount: 1 St. / 1 pc.
Purity : 99,95%
Packing: PE-bag
201.00
- tax free

Availability: 1 in stock

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 Fine Niobium Powder, 50 grams , purity 99.9%  Art. Nr. 004845  
Fine Niobium Powder, 50 grams , purity 99.9%
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Fine Niobium Powder, 50 grams , purity 99,9%

in sealed glass bottle.

For laboratory use and elements collection.

Amount: 50g
Purity : 99.9%
Packing: glass bottle
70.00
- tax free
5-9 pcs.: 66.00 Euro
>9 pcs.: 63.00 Euro
Availability: 99 in stock

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