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Zr
Zirconium
Atomic no.:
40
Atom. weight: 91.22
Density: 6.49
Class:
refractory metal
Melting point: 1852°C
Boiling point: 4377°C
Colour: Array
   
Discoverer: M.H. Klaproth
Place: Berlin, Germany
Year: 1789

Zirconium was discovered in Berlin, Germany, in 1789 by M.H. Klaproth, but was not isolated until 1824 by J.J. Berzelius in Stockholm, Sweden. Zirconium is a hard, lustrous, silvery colored metal which is extracted from its ores (the oxide or zircon, ZrSiO4) by conversion to the tetrahalide followed by reduction with magnesium. The metal is extremely corrosion resistant due to the formation of a stable oxide film and is unaffected by acids (with the exception of HF) and alkalis. As a result of its corrosion resistance, zirconium is widely used in the chemical industry where corrosive agents are used. Also, due to its excellent high temperature properties, coupled with its low neutron absorption, it is used in the construction of nuclear reactors. The pure metal is also used as a lining in jet engines. Zirconium is used as an alloying element, the resultant alloys having improved mechanical properties. Zirconium oxide, zirconia (ZrO2), is used as an opacifier in vitreous enamels as well as a pigment. However, the main applications of zirconia make use of its excellent strength and high temperature properties, and it is used to manufacture foundry crucibles, bricks, ceramics and abrasives. It has sufficient strength to enable it to be used to fabricate high precision knife blades.

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  entries 1 to 8 from 44 Gallery view   periodic table

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 High purity Zirconium Crystal bar - 99.97% purity - 481g  Art. Nr. 004885  
High purity Zirconium Crystal bar  - 99.97% purity - 481g
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Piece of a high purity Zirconium Crystal Bar,

Diameter ~ 18mm produced by "van Arkel de Boer" - process  by thermal decomposition of ZrI4 on a fine Zr wire 
at around 1000°C.

You get exactly this piece shown on the picture

Amount: 481g
Purity : 99,97%
Packing: PE-bag
281.00
- tax free

Availability: 1 in stock

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 Acrylic Element cube - Zirconium Zr - 50mm  Art. Nr. 004025  
Acrylic Element cube - Zirconium Zr - 50mm
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The Sensation! Acrylic Element-blocks NEW!

Zirconiumium Zr - Pure foil

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 : 99.9%
Packing: PE bag
50.00
- tax free
5-9 pcs.: 48.00 Euro
Availability: 6 in stock

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 Zirconium foil - 99.9% - 100mm x 100mm x 0.08mm  Art. Nr. 001831  
Zirconium foil - 99.9% - 100mm x 100mm x 0.08mm
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High purity Zirconium foil -  99.9% purity

Width: 100mm - Length 100mm - Thickness 0.08mm

Very hard to get this fine foil and only at high prices. Surface is highly shiny and oxide free!

Amount: 1 St. / 1 pc.
Purity : 99.9%
Packing: plastic foil
28.00
- tax free

Availability: 1 in stock

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 High purity Zirkonium metal beads - 5.0 grams 99.95%  Art. Nr. 004222  
High purity Zirkonium metal beads -  5.0 grams 99.95%
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High pure zirconium metal pearls - 99.9% purity 5.0 grams

Arc melted - sealed in 3.3 Boro silicate ampoule

diameter ~ 4-7mm -These are unique pieces of melted zirconium metal with shiny and smooth surface!

Amount: 5.0g
Purity : 99.98%
Packing: PE-bag
49.00
- tax free
5-9 pcs.: 47.00 Euro
Availability: 7 in stock

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 Zirconium foil - 99.7% - 50x50mm x 0.009mm from the coil  Art. Nr. 001475  
Zirconium foil - 99.7% - 50x50mm x 0.009mm from the coil
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High purity Zirconium foil -  99.7% purity

Width: 50mm - Length 50mm - Thickness 0.009mm ( 9 micron)

Very hard to get this fine foil and only at high prices. Surface is highly shiny and oxide free!

This piece is a cut off from a coil, so you can purchase longer pieces up to 50x1000mm

Amount: 1 Stk / 1 piece
Purity : 99.7%
Packing: Paper tube
7.00
- tax free
5-9 pcs.: 6.00 Euro
>9 pcs.: 6.00 Euro
Availability: 47 in stock

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 Zirconium diboride ZrB2- 325 mesh 5 grams - 99.9%  Art. Nr. 001538  
Zirconium diboride ZrB2- 325 mesh 5 grams - 99.9%
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Zirkonium boride - Zirkonium diboride ZrB2

Melting point: 2990 - 3040 °C - A light grey metallic powder, chemically attacked very little by cold HCl, more rapidly by HNO3, and is dissolved by aqua regia. It reacts with H2SO4 and is readily attacked by fused alkali hydroxides, carbonates and disulfides. Produced by various processes.

Useful in nuclear applications because of the presence of Boron-10. Other applications include use of its relatively high conductivity, especially for a ceramic.

Amount: 5g
Purity : ~99.9%
Packing: glass bottle
18.00
- tax free
5-9 pcs.: 17.00 Euro
>9 pcs.: 16.00 Euro
Availability: 42 in stock

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 Fine Zirconium Powder, 80 mesh, 5 grams - 99.9% purity  Art. Nr. 001692  
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High purity Zirconium metal powder 80 mesh - 5g

sealed in glass bottle under water.

For laboratory use and elements collection.

Amount: 5g
Purity : 99.9%
Packing: glass bottle
30.00
- tax free
5-9 pcs.: 29.00 Euro
>9 pcs.: 27.00 Euro
Availability: 25 in stock

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 Hochreines Elektronenstrahlgeschmolzenes Zirkonium 22,5g!  Art. Nr. 000433  
Hochreines Elektronenstrahlgeschmolzenes Zirkonium 22,5g!
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High purity zirconium bead with oxide colors 99.99%
Electron beam melted !!!

These unique pieces of "molten" zirconium are very rare and are virtually nowhere to be found except here.
The surface shows beautiful crystallites shimmering in all rainbow colors. The table is breathtaking.
Absolute unique piece!
Lead time: ~ 2 weeks

Amount: ca. 22,5g
Purity : 99.99%
Packing: PE - Beutel

- tax free

***Lead time: ~ 2 weeks ***

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