High purity nitrogen
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: 28.01 g/mol
Relative vapor density (air = 1): 0.97
Relative density (water = 1): 0.81
CAS number: 7727-37-9
Areas of use: protective gas, replacement gas, low temperature storage, etc.
source
Nitrogen is obtained through air liquefaction and distillation, and the air separation equipment liquefies the air and subsequently separates nitrogen, oxygen, and argon through distillation
application
In the chemical industry, nitrogen is heavily covered, purified, and pressure transmitted by flammable chemicals
2. In the semiconductor industry, high-purity nitrogen is used as a blowing or carrier gas
3. Nitrogen is a commonly used carrier gas in gas chromatography
4. Nitrogen used as the zero point gas for analytical instruments
5. Nitrogen is commonly used as an equilibrium gas in mixtures
6. Nitrogen used for inerting of epitaxial reactors in the electronics industry
7. A mixture of nitrogen and carbon dioxide used for inflatable packaging of food
In the heat treatment process of various metals, nitrogen is widely used, whether it is a mixture of pure or common reducing gases (such as hydrogen and natural gas), to provide an oxygen free atmosphere
9. Nitrogen and hydrogen produce ammonia through the Hubble process
10. Nitrogen is used as a fire extinguishing gas in mines
11 Nitrogen gas is used to fill tires to reduce wear and limit the risk of bursting
12. Liquid nitrogen is used in cold traps to improve the efficiency of vacuum pumps by condensing or solidifying residual gases in vacuum
13. Liquid nitrogen can be used to freeze various delicious foods, such as hamburgers, strawberries, shrimp, etc
14. Liquid nitrogen can also be used for low-temperature grinding of plastics, rubber, and some other chemical products
15. Liquid nitrogen for industrial and scientific research
16. Liquid nitrogen can be used to store biomaterials such as tissues and cells
17. Liquid nitrogen can be used for cryosurgery
18. Liquid nitrogen is a commonly used material in the field of superconductivity
19. Gas dry liquid chromatography mass spectrometry analysis
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project |
index |
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Industrial nitrogen |
Pure nitrogen |
High purity nitrogen |
Ultrapure nitrogen |
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Nitrogen (N2) purity (volume fraction) / 10-2 ≥ |
99.2 |
99.99 |
99.999 |
99.9999 |
|
Oxygen (O2) content (volume fraction) / 10-2 ≥ |
0.8 |
One |
One |
One |
|
Oxygen (O2) content (volume fraction) / 10-6≤ |
One |
50 |
3 |
0.1 |
|
Argon (Ar) content (volume fraction) / 10-6≤ |
One |
One |
One |
2 |
|
Hydrogen (H2) content (volume fraction) / 10-6 ≤ |
One |
15 |
1 |
0.1 |
|
Carbon monoxide (CO) content (volume fraction) / 10-6≤ |
One |
5 |
1 |
0.1 |
|
Carbon dioxide (CO2) content (volume fraction) / 10-6≤ |
One |
10 |
1 |
0.1 |
|
Methane (CH4) content (volume fraction) / 10-6≤ |
One |
5 |
1 |
0.1 |
|
Water (H2O) content (volume fraction) / 10-6≤ |
No free water |
15 |
3 |
0.5 |
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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