Application field of phosphoric acid

Agriculture: phosphoric acid is the production of important phosphate fertilizer (superphosphate, potassium dihydrogen phosphate, etc.) raw materials, but also the production of feed nutrients (calcium dihydrogen phosphate) raw materials.

Industry: phosphoric acid is an important chemical raw material, the main role is as follows:

1. Treat the metal surface to generate an insoluble phosphate film on the metal surface to protect the metal from corrosion.

2. Mixed with nitric acid as a chemical polishing agent to improve the smoothness of the metal surface.

3, the production of washing supplies, pesticides raw materials phosphate.

4. Raw materials for the production of phosphorus-containing flame retardants.

Food: phosphoric acid is one of the food additives, in food as a sour agent, yeast nutrition, cola contains phosphoric acid. Phosphate is also an important food additive as a nutritional enhancer.

Medicine: Phosphoric acid can be used to produce phosphorus-containing drugs, such as sodium glycerophosphate.