Argon (Ar)
The company has fully passed IS09001:2000 quality system certification. With a number of technical talents with professional background in the gas industry, it has established business lines at home and abroad, with an annual turnover of about 50 million yuan.
Category:
Keywords: Oxygen 丨 Nitrogen 丨 Argon 丨 Hydrogen
Consultation:
Product Description
Molecular weight: 39.95 g/mol
Relative vapor density (air = 1): 1.66
Relative density (water = 1): 1.40
CAS number: 7440-37-1
Areas of use: metal smelting and welding, semiconductor manufacturing, electric light source, photovoltaic, standard sample preparation, scientific research, etc.
source
The most common source of argon is air separation, with an argon content of approximately 0.93% in the air.
application
1. Argon is commonly used in gas chromatography analysis and is one of the most common carrier gases;
2. Argon is also a selected gas in ICP spectrum (Inductively coupled plasma spectrum);
3. In a graphite furnace, gas is used as a covering layer for atomic absorption spectroscopy;
4. Whether it is pure argon or various mixed argon, one of the most common applications is as a shielding gas for arc welding;
5. Some counter tubes contain argon gas or argon gas mixed with organic vapor or other gases, such as argon gas containing 10% methane;
6. Argon mixed with fluorine and helium for excimer lasers
7. Argon is one of the main gases used to fill incandescent lamps (filaments), usually mixed with nitrogen, krypton, or neon, a phosphorescent tube mixed with neon, helium, and mercury vapor, and a thyratron radio tube mixed with neon;
8. After filling argon: the Heat transfer coefficient limit value of insulating glass is better than that under vacuum
9. Argon oxygen decarbonization (AOD) process is the most commonly used method for refining stainless steel, which uses a large amount of two gases, supplied in liquid form or through on-site factory pipelines;
10. In the steel industry, argon is used to prevent the oxidation of molten and alloy metals, as well as for degassing and desulfurization of molten steel and iron baths;
11. The pharmaceutical industry uses argon gas to replace the oxygen at the top of intravenous drug containers, extending the shelf life of products;
12. Argon is usually used as a protective gas for certain metal heat treatments in mixtures with hydrogen;
13. Argon gas is used for wine preservation, and heavier argon gas is used to eliminate air, prevent oxidation, and improve the quality of product during bottle and barrel opening;
14. Liquid argon is used for cryosurgery, such as cryoablation, to destroy cancer cells;
15. Argon gas, R-740 is used as a gas mixture for non fluorocarbon ultra-low temperature refrigeration applications;
16. Argon and nitrogen are used together for airbag inflation
17. Argon is usually mixed with nitrogen and carbon dioxide as a clean extinguishing gas, as its inert properties do not damage the extinguished material
18. Argon is used as an equilibrium gas in the laboratory for purging gases or gas mixtures.
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index |
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Argon for bulbs |
Pure argon |
High purity argon |
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Argon (Ar) purity (volume fraction) / 10-2 ≤ |
84-88 |
99.99 |
99.999 |
|
Hydrogen (H2) content (volume fraction) / 10-6 ≤ |
5 |
5 |
0.5 |
|
Oxygen (O2) content (volume fraction) / 10-6≤ |
5 |
10 |
1.5 |
|
Nitrogen (N2) content (volume fraction) / 10-2 ≤ |
12-16 |
One |
One |
|
Nitrogen (N2) content (volume fraction) / 10-6 ≤ |
One |
50 |
4 |
|
Methane (CH4) content (volume fraction) / 10-6≤ |
5 |
5 |
1 |
|
Carbon monoxide (CO) content (volume fraction) / 10-6≤ |
One |
5 |
|
|
Carbon dioxide (CO2) content (volume fraction) / 10-6≤ |
One |
10 |
|
|
Water (H2O) content (volume fraction) / 10-6≤ |
10 |
15 |
3 |
Molecular weight: 4.0026 g/mol
Relative vapor density (air = 1): 0.14
Relative density (water = 1): 0.15
CAS number: 7440-59-7
Areas of use: optical fiber, laser, welding and cutting, diving breathing, low-temperature superconductivity, pressurization, cleaning, leak detection, protective gas, balloons, airships, etc.
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