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He
Helium
Atomic no.:
2
Atom. weight: 4.002602
Density: 0.17847
Class:
Gas
Melting point: -271.4°C
Boiling point: -268.935°C
Colour: colourless
   
Discoverer: Pierre Jules César Janssen
Place: Guntur, India
Year: 1868

A colourless, odourless gas that is totally unreactive. It is extracted from natural gas wells, some of which contain gas that is 7% helium. It is used in deep sea diving for balloons and, as liquid helium , for low temperature research. The Earth’s atmosphere contains 5 parts per million by volume, totalling 400 million tonnes, but it is not worth extracting it from this source at present.

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smart-elements - Super bright Helium spectrum discharge tube 100mm - NEW

Super bright Helium spectrum discharge tube 100mm - NEW

Amount: 1 x
Purity :99.999%


1 pcs.: 45.00 € - tax free
5-9 pcs.: 43.00 €
>9 pcs.: 41.00 €

in stock

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smart-elements - Noble gases complete set in ampoules premium version

Noble gases complete set in ampoules premium version

Amount: 1 Stück / 1pc.
Purity :4N - 5N3


1 pcs.: 89.00 € - tax free
5-9 pcs.: 85.00 €
>9 pcs.: 80.00 €

in stock

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smart-elements - Nano spectrum discharge tube set 80mm - He Ne Ar Kr Xe NEW!

Nano spectrum discharge tube set 80mm - He Ne Ar Kr Xe NEW!

Amount: 5 Stk. / 5 pcs.
Purity :99.99%


1 pcs.: 89.00 € - tax free
5-9 pcs.: 85.00 €
>9 pcs.: 80.00 €

in stock

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smart-elements - Acrylic Element cube - He Helium - 50mm

Acrylic Element cube - He Helium - 50mm

Amount: 1 St.
Purity :99.9%


1 pcs.: 68.00 € - tax free
5-9 pcs.: 65.00 €

in stock

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smart-elements - Noble gas discharge tube set, size approximately ~8*8cm

Noble gas discharge tube set, size approximately ~8*8cm

Amount: 1x SET
Purity :99.99%


1 pcs.: Request

Lead time: ~ 4 weeks

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smart-elements - Noble gas discharge tube set, length approximately 22cm

Noble gas discharge tube set, length approximately 22cm

Amount: 1x SET
Purity :-


1 pcs.: SOLD!

Details   

smart-elements - Helium spectrum discharge tube

Helium spectrum discharge tube

Amount: 1 Röhre/ tube
Purity :~


1 pcs.: SOLD!

Details   

smart-elements - High purity Helium gas ampoule, purity 99.9993%

High purity Helium gas ampoule, purity 99.9993%

Amount: 1 Stück / 1pc.
Purity :99.9993%


1 pcs.: 20.00 € - tax free
5-9 pcs.: 19.00 €
>9 pcs.: 18.00 €

in stock

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smart-elements - Helium Element Symbol discharge tube 80x80mm

Helium Element Symbol discharge tube 80x80mm

Amount: 1x SET
Purity :99.9993%


1 pcs.: SOLD!

Details   

smart-elements - Micro spectrum discharge tube set 80mm - He Ne Ar Kr Xe NEW!

Micro spectrum discharge tube set 80mm - He Ne Ar Kr Xe NEW!

Amount: 5 Stk. / 5 pcs.
Purity :99.99%


1 pcs.: 112.00 € - tax free
5-9 pcs.: 106.00 €
>9 pcs.: 101.00 €

in stock

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smart-elements - Helium 120mm boro silicate ampoule 99.99993%

Helium 120mm boro silicate ampoule 99.99993%

Amount: 1 Stück / 1pc.
Purity :99.999%


1 pcs.: 22.00 € - tax free
5-9 pcs.: 21.00 €
>9 pcs.: 20.00 €

in stock

Details     

smart-elements - Helium gas micro spectrum discharge tube 80-90mm - NEW

Helium gas micro spectrum discharge tube 80-90mm - NEW

Amount: 1 Röhre/ tube
Purity :99.9993%


1 pcs.: 27.00 € - tax free
5-9 pcs.: 26.00 €
>9 pcs.: 24.00 €

in stock

Details     

smart-elements - Noble gas discharge tube set, length approximately 12cm

Noble gas discharge tube set, length approximately 12cm

Amount: 1x SET
Purity :-


1 pcs.: SOLD!

Details   


 

   
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