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　　The main uses of various chemical gases are very wide, and they are widely used in industrial production, defense industry and people's daily life. Now I will give you a brief and detailed introduction to the scope of use of common high-purity gases.

　　High-purity nitrogen gas is a rare gas that accounts for about 78% of the air. With the advancement of science and technology, nitrogen has been more and more widely used in various fields of social economy. The main uses of nitrogen are to maintain gas, remove gas, load gas, dry gas, etc. Nitrogen is a maintaining gas. In the entire metal material heat treatment method, it has a direct effect on improving the quality and smoothness of metal composite materials and parts.

　　High-purity gas nitrogen is an indispensable protective gas and loader for the production process of semiconductor material integrated circuit chips in the electronics industry. As a protective gas and loader for the petrochemical industry, nitrogen is the guarantee for the success of petrochemical production and manufacturing. Nitrogen is also the core raw material gas for ammonia process production and manufacturing, which is the guarantee for the success of petrochemical production. In the production of flat glass in the building materials industry, it is the main protective gas for the tin bath, which can realize the float production process and improve the quality of laminated glass.

　　Inflate food packaging materials, dry and refrigerate vegetables and fruits with nitrogen, fill juice and peanut oil with nitrogen, absorb oxygen, etc. Liquid nitrogen is a refrigerant and an ultra-low temperature source for diagnosis and treatment. It can also be used in new technology fields such as rocket launches, indoor simulated universe simulations, nuclear reactors, and gas laser generators.

　　The main uses of high-purity gas CO2 are very wide, and it only requires secondary oxygen. CO2 can be made from soda water and is a foam fire extinguisher, which is widely used in electrical equipment, instruments, valuable production line equipment, and library archives. CO2 gas shielded welding can be widely used in welding of various raw materials. The carbon dioxide used in analytical chemical production can be made into various common chemical raw materials, such as urea solution, sodium salicylate, etc., and can also be used as a refrigerant and frozen products.

　　Using carbon dioxide as a raw material, low-temperature heat source development can be achieved. Supercritical extraction using CO2 as an organic solvent is a practical technology for separating other products and replacing traditional handicrafts. Solid carbon dioxide (liquid nitrogen) can be used to diagnose and treat skin diseases and can also be used to bring down artificial rainfall. Using liquid carbon dioxide to dry-clean clothes can replace harmful detergents. High-purity carbon dioxide is used in the electronics industry, diagnostic scientific research and disease diagnosis, calibration of test instruments and other special mixed gases.

　　The above is what the editor introduces to you about the uses of high-purity gases. In fact, gases with different purity indicators have a very wide range of purity indicators in the semiconductor industry. High-purity nitrogen, hydrogen, argon, and helium can be used as transport and protective gases. High-purity gases can be divided into organic and inorganic according to their molecular structures.