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Encyclopedia > Packaging gas

A packaging gas is a gas used for packaging of sensitive materials in modified atmosphere. It is usually inert, or of the nature that protects the packaged goods. Modified atmosphere is a common technical definition that describes the practice of modifying the composition of the internal atmosphere of a package (commonly food packages, but this technique is also used for drugs) in order to improve the shelf life. ...


For packaging food, various gases are approved:

Specific kind of packaging gases are aerosol propellants: General Name, Symbol, Number argon, Ar, 18 Chemical series noble gases Group, Period, Block 18, 3, p Appearance colorless Atomic mass 39. ... General Name, Symbol, Number helium, He, 2 Chemical series noble gases Group, Period, Block 18, 1, s Appearance colorless Atomic mass 4. ... This article does not cite its references or sources. ... General Name, Symbol, Number oxygen, O, 8 Chemical series Chalcogens Group, Period, Block 16, 2, p Appearance colorless Atomic mass 15. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... Carbon dioxide is an atmospheric gas comprised of one carbon and two oxygen atoms. ... Aerosol spray can Aerosol spray is the name given to a type of canister containing liquid under pressure from pressurized vapor in equilibrium with another liquid, which often also dissolves the payload (see propellant below). ...


 
 

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