Description
Agriculture: Phosphoric acid is the raw material for the production of important phosphate fertilizers (superphosphate, potassium dihydrogen phosphate, etc.) and the raw material for the production of feed nutrients (calcium dihydrogen phosphate).
Industry: Phosphoric acid is an important chemical raw material with the following main functions:
1. Treat the metal surface and generate an insoluble phosphate film on the metal surface to protect the metal from corrosion.
2. Mix with nitric acid as a chemical polishing agent to improve the finish of the metal surface.
3. Phosphate ester, a raw material for the production of detergents and pesticides.
4. Raw materials for producing phosphorus-containing flame retardants.
Food: Phosphoric acid is one of the food additives. It is used as a sour agent and yeast nutrient in food. Coca-Cola contains phosphoric acid. Phosphates are also important food additives and serve as nutritional enhancers.
Medicine: Phosphoric acid can be used to prepare phosphorus-containing drugs, such as sodium glycerophosphate, etc.
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