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High Purity Argon Gases ( Ar ) Rare Gases
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Contact usSpecifications
| Purity , % | 99.999 | 99.9999 |
| Hydrogen | ≤0.5 ppmv | ≤100 ppbv |
| Oxygen | ≤1.5 ppmv | ≤200 ppbv |
| Nitrogen | ≤ 4.0 ppmv | ≤500 ppb |
| Carbon Dioxide | ≤0.5 ppmv | ≤100 ppbv |
| Carbon Monoxide | ≤0.5 ppmv | ≤100 ppbv |
| Methane | ≤0.5 ppmv | ≤100 ppbv |
| Water | ≤3.0 ppmv | ≤200 ppbv |
Technical Information
| Cylinder State @ 21.1°C | Gas |
| Flammable Limits In Air | Non-flammable |
| Auto Ignition Temperature (°C ) | - |
| Molecular Weight (g/mol) | 39.948 |
| Specific gravity (air =1) | 1.38 |
| Critical Temperature ( °C ) | -122.29 |
| Critical Pressure ( psig ) | 691.067 |
Description
Argon is a colorless , odorless, nontoxic , nonflammable gas that is heavier than air. It is shipped in steel cylinders under high pressure .Argon, like other noble gases, does not emit light when electrified. However, it can be used in various optical applications, such as in the creation of argon lasers, where it serves as the lasing medium.
Argon is non-toxic and non-reactive under normal conditions. It is an inert gas that does not support combustion and is often used as a protective atmosphere in various industrial processes to prevent oxidation and other chemical reactions. However, in high concentrations, argon can displace oxygen and pose a risk of asphyxiation.
Applications
The unique physical properties of argon make it valuable in a variety of applications:
Welding And Cutting: Argon is used as a shielding gas in welding and cutting processes to protect metals from oxidation and contamination.
Lighting: Argon is used in some types of lighting, such as fluorescent and neon lights, to reduce the rate of filament evaporation and extend the life of the bulb.
Metal Processing: Argon is used in the metallurgical industry for processes such as annealing and refining of metals to prevent oxidation.
Scientific Research: Argon's inert nature makes it suitable for use in various scientific experiments and as a carrier gas in chromatography.
Cryogenics: Liquid argon is used as a cryogenic refrigerant in certain applications due to its low boiling point.
In summary, argon's physical properties—ranging from its low density and low melting and boiling points to its thermal conductivity and inert nature—make it a versatile element with a wide range of practical applications across various industries and scientific fields. Its unique characteristics have made argon an indispensable resource in many areas of modern life and technology.
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