What is argon? What is argon used for? What is helium used for?

Argon properties:

1. Air is argon, argon, a monatomic gas. It is an inert gas.

2. Argon is a single elemental gas, colorless and odorless.

3. The distillation part containing argon gas is extracted from the air fractionator and then separated by the argon column to obtain crude argon gas. Pure argon is then separated by chemical and physical adsorption techniques.

4. Argon was originally used to fill light bulbs. At the same time, welding and cutting require a large amount of argon. Suitable for welding protective gas of stainless steel, magnesium, aluminum and other alloys.

Properties of helium:

Helium is the lightest element after hydrogen. It weighs only one-seventh as much as the same volume of air. Because hydrogen does not burn like hydrogen, it is safe. So in balloons and spacecraft airbags, helium is used instead of hydrogen. A floating ship filled with helium has about 93% of the lift and drop force of a similar ship filled with hydrogen. In recent years, helium has also been mixed with plastics, rayon, and synthetic fibers to form very light foams and foam fibers.

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