Nitrogen gas finds use in many different processes and applications in pharmaceutical industry, starting from basic raw material preparation, all the way to final product packaging. During production of sterile pharmaceutical products, atmospheric contamination needs to be avoided. In such cases, positive pressure is created with Nitrogen. Positive pressure creation prevents ingress of air, thereby eliminating risk of contamination. Test kits for doctors’ offices, blood supplies, specimen containers and other medical devices are some examples of items frequently packaged with N2 gas.

Nitrogen is often used in the packaging of medical supplies (Nitrogen helps maintain sterility and cleanliness of the product). Nitrogen is used to purge oxygen from the packaging before it is sealed, which will help preserve and protect the product from oxidation or hydrolysis.

Many chemicals used in the manufacturing process are highly volatile or flammable and some may experience spontaneous combustion on exposure to air. In handling of all such chemical ingredients, Nitrogen is very effective in prevention of atmospheric exposure.

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