![]() ![]() Often activated carbon is also included as it adsorbs some other gases and many organic molecules, further preserving products and removing odors. Modern scavenger sachets use a mixture of iron powder and sodium chloride. The first patent for an oxygen scavenger used an alkaline solution of pyrogallic acid in an air-tight vessel. Oxygen absorbing chemicals are also commonly added to boiler feedwater used in boiler systems, to reduce corrosion of components within the system. Often the oxygen absorber or scavenger is enclosed in a porous sachet or packet but it can also be part of packaging films and structures. The components of an oxygen absorber vary according to intended use, the water activity of the product being preserved, and other factors. There are many types of oxygen absorbers available to cover a wide array of applications. They are used to help maintain product safety and extend shelf life. Oxygen scavengers or oxygen absorbers are added to enclosed packaging to help remove or decrease the level of oxygen in the package. Substance able to chemically absorb oxygen in the surrounding air An oxygen absorber The contents of an oxygen absorber from a packet of beef jerky
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