Oxygen (O₂)
1. Introduction
Oxygen (O₂) is a vital and abundant chemical element, making up about 50% of the Earths crust, water, and atmosphere. At standard conditions, oxygen is a colorless, odorless, and tasteless gas.
Forms of Supply:
- High-pressure Cylinders: 5L, 10L, 40L, 47L, 50L
- Liquid Containers: Taylor Wharton, Japan
- Cryogenic Tanks
2. Applications
- Oxygen is widely used across various fields:
- Welding Technology: Utilized in oxy-acetylene and arc welding processes.
- Metallurgical Technology: Used for refining steel, cast iron, copper, and other metals.
- Chemical Technology: Involved in oxidizing acetaldehyde to acetic acid, coal gasification, oil gasification, and fermentation processes in pharmaceutical production.
- Food Technology: Applied in fermentation and meat preservation.
- Environmental Protection: Employed in water treatment and air purification.
- Medical: Provides respiratory support in emergency care, gas mixtures for diagnostics, and anesthesia.
- Maritime: Used in diving oxygen tanks.
- Measurement Technology: Utilized in precision measurement devices.
- Electronics and Information Technology: Applied in the production and maintenance of equipment.
3. Properties
- Main Hazards: Enhances combustion, high-pressure risks.
- Explosive Limits: None.
- Flammability: Strong oxidizer.
- Odor: None.
- Molecular Weight: 32.0
- Specific Volume at 20°C: 0.751 m³/kg
- Specific Gravity (Air = 1) at 20°C: 1.105
- Critical Temperature: -118°C
- Critical Pressure: 51.8 Bar
4. Quality
- Industrial Grade: O₂ 2.6
- High Purity Grade: O₂ 4.5, O₂ 5.6
- Medical Grade: O₂ 2.0
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