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Saturday, 31 January 2015

The Helium Gas

helium


Helium is a colorless, odorless gas. It is tasteless and non-toxic. Since it has a higher speed of sound in comparison to normal air, it is carelessly sometimes inhaled to produce a voice.

Helium is one of the so-called noble gases - not because it is particularly valuable - but because these substances can hardly enter into chemical compounds and one can avoid surprises so in their use. This is known as a typical reaction inertia, resulting in the use as a protective gas results in the industry. Neon and xenon also belong to the group of the noble gases.

Helium is obtained primarily from natural gas. With up to 7%, it is one of the main components of this valuable commodity. However, it also arises from the decay of radioactive substances such as uranium.

One cubic meter of helium has a mass of about 180 grams under normal conditions. Air is 7 times heavier. Since helium is lighter than air, it rises upward accordingly.

Helium gas is also a natural choice for filling balloons and airships, because it is not flammable. What, in contrast with hydrogen can happen Ballonf├╝llgas, showed not least the "Hindenburg disaster," when in 1937 the so-called Zeppelin in the landing caught fire and burst into flames within seconds.

There are now even for laymen and private consumers easy-to-use helium bottles with special valves for filling balloons and foil balloon. This is a very special party insert anything in the way.