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Oxygen O2

Physical properties of oxygen

Oxygen is a colorless, tasteless and odorless gas that occupies about 21% (volume ratio) of air. It is chemically extremely active, has a strong ability to oxidize (that is, burn) other things, and combines with many elements. In addition, breathing plays an indispensable role in sustaining the life of living things. Industrially, it is manufactured by cooling the air and separating and purifying it together with nitrogen and argon.

Physical characteristics of oxygen

Chemical Formula O 2
Molecular Weight 32.00
Gas Density 1.429Kg / M3 (0 ℃, 1Atm)
Liquid Density 1.141Kg / L (Boiling Point)
Specific Gravity 1.11 (Air = 1)
Boiling Point 90.2K (1Atm)
Fusion Point 54.4K (1Atm)
Critical Temperature 154.6K
Critical Pressure 50.1Atm, 5.05Mpa
Enthalpy Of Vaporization 50.9Cal / G, 213Kj / Kg (Boiling Point)

Equipment using oxygen

  • Welding / fusing equipment

  • Cupola Oxygen Enrichment System

  • Oxygen-fuel burner

  • Synthetic air supply system

  • Hyperbaric oxygen therapy device

  • Pulp bleaching system

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