| CAS No.: | 7440-37-1 |
|---|---|
| Formula: | Ar |
| EINECS: | 231-147-0 |
| Constituent: | Industrial Pure Air |
| Grade Standard: | Industrial Grade |
| Chemical Property: | Combustion-Supporting Gas |
| Customization: |
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Audited Supplier Argon gas is an element and a chemical compound. Argon (symbol: Ar) is a colorless, odorless, and inert gas that is part of the noble gases group on the periodic table. It is the third-most abundant gas in the Earth's atmosphere, making up about 0.93% of the air we breathe.
Argon gas has various applications due to its inert and non-reactive nature. Some common uses include:
Welding: Argon is commonly used as a shielding gas in welding processes, such as Tungsten Inert Gas (TIG) and Gas Metal Arc Welding (GMAW), to protect the weld area from atmospheric contamination.
Lighting: Argon is used in various types of lighting, such as fluorescent tubes, high-intensity discharge lamps, and neon signs.
Scientific research: Argon is often used as a carrier gas in gas chromatography and as a calibration standard for analytical instruments.
Preservation: Argon is utilized in industries like food and beverage processing and pharmaceuticals to displace oxygen and extend the shelf life of perishable goods.
Insulation: Argon is sometimes used as an insulating gas in windows and other sealed units to improve energy efficiency by reducing heat transfer.
These are just a few examples of the many applications of argon gas. Its non-reactive nature and abundance make it useful in various industries and scientific fields.
| Ar, Assay % | ≥99.9999 | 99.9999 | ||||||||
| H2, ppm | ≤0.1 | <0.1 | ||||||||
| O2, ppm | ≤0.15 | <0.1 | ||||||||
| N2, ppm | ≤0.2 | <0.2 | ||||||||
| CO, ppm | ≤0.1 | <0.05 | ||||||||
| CO2, ppm | ≤0.1 | <0.05 | ||||||||
| CH4, ppm | ≤0.1 | <0.05 | ||||||||
| H2O, ppm | ≤0.1 | <0.1 | ||||||||
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