2022

Industrial phosphoric acid is an important chemical raw material

Phosphoric acid is easily deliquescent in air. Heating will lose water to obtain pyrophosphoric acid, and then further loss of water to obtain metaphosphoric acid. Phosphoric acid is mainly used in pharmaceutical, food, fertilizer and other industries, and can also be used as a chemical reagent.
Industrial 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.
In addition to industrial use, phosphoric acid is one of the food additives, in food as a sour agent, yeast nutrition, Coca-Cola contains phosphoric acid. Phosphate is also an important food additive as a nutritional enhancer.

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