Phosphorus is a chemical element that is found naturally in air, rocks, soil and organic materials. It is essential for life, and one of the main chemicals necessary for plant growth. As a result, the biggest use of phosphorus is in artificial fertilizers.
When gangrene affects your skin, signs and symptoms may include: 1  Skin discoloration â ranging from pale to blue, purple, black, bronze or red, depending on the type of gangrene you have. 2  A clear line between healthy and damaged skin. 3  Severe pain followed by a feeling of numbness.
Symptoms of Gas Gangrene. Signs and symptoms of gas gangrene include: 1  air under the skin. 2  pain. 3  swelling. 4  pale skin that turns gray, brownish-red, or black. 5  blisters with foul-smelling discharge. 6  a crackly sensation when you touch your skin in the affected area.