Oxygen-free

Oxygen-free may refer to the absence of oxygen in an environment or in a material.

Environmental conditions

• Anoxic, an environment with low, or near-zero, oxygen content;
• Anaerobic, a technical word which literally means without air (where "air" is generally used to mean oxygen), as opposed to aerobic;
• Aerobic, anthonym of anaerobic.

Oxygen-free materials

• Oxygen-free copper, pure copper without oxygen in its crystal lattice;
• OFHC, oxygen-free high thermal conductivity copper;
• CuOFP, oxygen-free pure copper containing phosphorus.

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