- Oxygen and Iron
- Oxygen and Copper
- Oxygen and Hydrogen
- Oxygen and Sulpher
- d
-
• Oxygen 65%
• Carbon 18.5%
• Hydrogen 10%
• Nitrogen 3.2%
• Calcium 1.5%
• Phosphorus 1.0%
• Potassium 0.4%
• Sulphur 0.3%
• Sodium 0.2%
• Chlorine 0.2%
• Magnesium 0.1%
• All Others <0.1%
