Nitrogen (N2) is the main part of the Earth’s atmosphere, accounting for 78.08% of the total volume. It is a colorless, odorless, tasteless, non-toxic and almost completely inert gas. It can be stuffy in high concentrations. Nitrogen is produced in large quantities in air separation plants. A second purification process may be necessary if very high purity levels are required. Membrane techniques can also be used to recover nitrogen in weaker purities. Pressure oscillation adsorption (PSA) techniques are satisfied with medium to high purities. One of the main uses of nitrogen is for covering, purging and bubbling in the food and chemical industries. It can also be found in modified atmosphere packaging (MAP) for groceries. In liquid form, it is an agent for freezing food, storing biological material, cryosurgery and cryogenic grinding of plastics and rubbers, for example.
Quality of Gas : 99.9% pure gas
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