1 Stability: Argon is very stable and hardly reacts chemically with other substances, so it is called an inert gas.
2 High density: Argon is a heavier gas than air, about 1.4 times denser than air, which gives it unique buoyancy and cooling properties in some applications.
3 Low reactivity: Due to its inertness, argon does not react easily with other elements or compounds, which makes it safer to use in high temperature and high pressure environments.
4 Good thermal conductivity: Liquid argon has good thermal conductivity at very low temperatures, making it very effective in cooling applications in superconductors, nuclear magnetic resonance and other equipment.
5 Wide availability: Argon is relatively abundant and moderately expensive, so it is widely used in industry and scientific research.
Main uses of argon:
1 Shielding gas: Argon is widely used as a shielding gas in arc welding, argon arc welding, plasma cutting and other metal processing processes to prevent metals from reacting with oxygen in the air and oxidizing, while providing a stable welding environment.
2 Lighting: Argon is used as a bulb filling gas in gas discharge tubes, such as neon argon lamps and argon-neon lasers.
3 Coolant: Liquid argon is often used as a coolant in high-energy physics experiments, nuclear magnetic resonance equipment, and other equipment that requires extremely low temperatures to maintain the stability and performance of the equipment.
4 Filling gas: Argon is used as a filling gas in balloons and other inflatable products, making these products safer due to its stability and non-flammability.
5 Gas analysis: Argon is often used as an inert carrier gas or standard gas in gas chromatography and mass spectrometers for the analysis and detection of various compounds and elements.
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