Description
Phosphoric acid, also known as orthophosphoric acid, is a mineral acid with the chemical formula H3PO4. It is a clear, colorless liquid with a strong odor and is widely used in various industries. Some common uses of phosphoric acid include:
- Food and Beverage Industry: Phosphoric acid is used as an acidifying agent in the production of carbonated beverages, such as colas. It gives these beverages their characteristic tangy flavor.
- Fertilizers: Phosphoric acid is used in the production of fertilizers, such as ammonium phosphate fertilizers. It provides plants with the phosphorus they need for healthy growth.
- Industrial Applications: Phosphoric acid is used in various industrial processes, such as metal cleaning and rust removal, due to its strong acidic properties.
- Dentistry: Phosphoric acid is used in dentistry as an etchant for enamel and dentin surfaces to improve adhesion of dental materials, such as composite resins.
- Water Treatment: Phosphoric acid is used in water treatment to adjust the pH of water and to inhibit the formation of scale and corrosion in pipes and equipment.
- Medicine: Phosphoric acid is used in some over-the-counter medications, such as antacids, to help neutralize stomach acid.