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Helium Cylinder

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Helium is the second lightest element after Hydrogen. It is one of the rare gases of the atmosphere. It is chemically inert, colourless, odourless and tasteless. Liquid Helium is the only known substance that could remain in liquid form at temperature near absolute zero. Hence it has an unique use as a refrigerant in cryogenics. Helium is generally obtained from natural gas fields.
Properties
It is chemically inert.
Specifications
Industrial grade 99.995%
Purified grade 99.999%
Applications
As an inert gas shield in arc welding.
As a lifting gas for lighter-than-air aircraft.
As a gaseous cooling medium in nuclear reactors.
To provide a protective atmosphere for growing germanium and silicon crystals for transistors.
To provide a protective atmosphere in the production of such reactive metals as titanium and zirconium.
To fill cold-weather fluorescent lamps, to trace leaks in refrigeration and other closed systems.
To fill neutron and gas thermometers.
Used in cryogenic research such as for superconductivity.
In mixtures with oxygen, it has medical applications.
Liquid Helium is widely used for cooling superconductive magnets used in magnetic resonance imaging.
Liquid Helium is extensively used as refrigerant in cryogenics.

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