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What is the primary difference between aviation breathing oxygen and most other types of commercially available compressed oxygen?

Aviation breathing oxygen is liquid at room temperature

Aviation breathing oxygen has had all the water vapor removed

Aviation breathing oxygen differs from most other commercially available compressed oxygen because it has had all the water vapor removed. This is a critical distinction because water vapor in the oxygen can freeze at high altitudes, potentially causing blockages that may affect the flow of oxygen. Removing water vapor ensures that the oxygen remains dry and suitable for use in aviation applications.

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Commercially available compressed oxygen contains more nitrogen

Commercially available compressed oxygen is at a higher pressure

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