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Pure nitrogen is a colorless, odorless, and tasteless gas that makes up about 78% of the Earth's atmosphere. It is a non-flammable and non-toxic gas that is inert, meaning it does not react with other elements. Pure nitrogen is used in a variety of applications, including:

• Food packaging: Pure nitrogen is used to create a modified atmosphere in food packaging, which helps to prevent spoilage by oxygen and other contaminants.
• Manufacturing: Pure nitrogen is used in a variety of manufacturing processes, including the production of steel, glass, and semiconductors.
• Medical: Pure nitrogen is used in a variety of medical applications, including the production of medical gases and the preservation of tissue and organs.
• Scientific research: Pure nitrogen is used in a variety of scientific research applications, including the study of combustion, explosions, and the atmosphere.

Pure nitrogen is available in a variety of purities, ranging from 99.5% to 99.999%. The purity of the nitrogen required for a particular application will depend on the specific needs of that application.

Here are some of the benefits of using pure nitrogen:

• It is a non-flammable and non-toxic gas, making it safe to use in a variety of applications.
• It is inert, meaning it does not react with other elements, which makes it ideal for applications where oxidation or corrosion is a concern.
• It is a colorless, odorless, and tasteless gas, which makes it ideal for applications where these properties are important.