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[Chemical Knowledge]：Properties and Uses of Argon

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The nature and use
of argon in the field of chemical production raw materials
Abstract

This paper introduces the nature and use of argon in the field of chemical production raw materials. Argon is a colorless, odorless, non-toxic inert gas with stable chemical properties and a wide range of applications. In the production of chemical products, argon is mainly used as a protective gas, reaction medium and carrier gas, which can improve production efficiency and ensure product quality.

1. the properties of argon

Argon is an inert gas, located in group zero of the periodic table, with an atomic number of 18. It is colorless, tasteless, non-toxic, and not easy to react with other elements. Argon has a melting point of -186.3°C, a boiling point of -183.8°C, and a density of 1.784kg/m³ (at 0°C, 101.325kPa). Argon has high ionization energy, good thermal stability and electrical insulation.

2. The use of argon in the field of chemical production raw materials

1. Protective gas

In the chemical production process, argon is often used as a protective gas to prevent metal and non-metallic materials from oxidizing at high temperatures. For example, in arc welding and plasma cutting processes, argon can be used as a protective gas to prevent oxidation of the metal surface and improve welding quality and cutting efficiency. In addition, argon can also be used to protect some oxygen-sensitive materials, such as titanium and zirconium.

2. Reaction Medium

In some chemical reactions, argon can be used as a reaction medium to promote the reaction. For example, in some synthesis reactions under high temperature and high pressure conditions, argon can be used as a diluent gas to reduce the pressure of the reaction system and increase the concentration of the reactants, which is beneficial to the reaction. In addition, argon can also be used as a carrier gas for some gas phase reactions, delivering reactants to the reactor.

3. Carrier gas

In some chemical production processes, argon can be used as a carrier gas to transport raw materials or products to various process links. For example, in some powder metallurgy processes, argon can be used as a carrier gas to transport the powder to the mold while preventing oxidation of the powder. In addition, argon can also be used to clean some equipment or pipelines that are sensitive to oxygen.

3. Conclusion

In short, argon has a wide range of uses in the field of chemical production raw materials, which can improve production efficiency and ensure product quality. With the continuous development of science and technology, the application field of argon will continue to expand.

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