One of the CAS numbers of trisodium phosphate is 7601-54-9. The English is Trisodium phosphate. The trisodium phosphate can be regarded as the precursor of phosphoric acid H3PO4, and the three metal sodium atoms Na are used, and all of them are substituted in the molecular formula. The product obtained after 3 hydrogen ions H+. Since phosphoric acid H3PO4 is a tribasic acid, its molecular formula has three hydrogen ions which can be replaced by metal elements.
1. The quality improving agent of the work has the functions of improving the complex metal ions of the food, the pH value, and increasing the ionic strength, thereby improving the cohesiveness and water holding capacity of the food. China regulations can be used for cheese, the maximum use is 5g / kg; the maximum use of Western ham, meat, fish, shrimp and crab is 3.0g / kg; the maximum use in cans, juice, beverages and dairy products is 0.5g /kg .
2. Used as softener and detergent in the chemical, textile, printing and dyeing, papermaking, power generation and other industries, boiler anti-scaling agent, soft water agent in paper dyeing, pH-based buffer for producing wax paper adhesive, printing and dyeing Fixing agent, mercerizing enhancer for fabric, anti-brittle agent for line making. The metallurgical industry is used as a chemical degreasing, decontamination, and as an excellent accelerator in photographic developing solutions. Detergent for tooth cleaners and bottlers. A coagulant for rubber latex. Sugar juice purifier. Phosphate plays a role in quality improvement in food processing. For example, in meat products, it maintains the water holding capacity of the meat and enhances the binding force to reduce the loss of nutrients in the meat and preserve the tenderness of the meat. It is also used as an emulsifier, a nutritional supplement, and a quality improver in food processing. It is a raw material for the preparation of edible alkali water, and is also used for the manufacture of sugar and α-starch. It is also used as a detergent for food bottles, cans, and the like.
3. Solid trisodium phosphate (TSP) is a strong base weak acid salt with strong alkalinity and high solubility. It is chemically stable and can be stored for a long time. It is added in the spray water of the safe shell spray system (EAS). Instead of NaOH, TSP can adjust the pH of the spray solution, effectively remove the iodine gas released from the leaked cooling water to the containment, avoiding the damage of the strong alkali to the staff, and easy to clean after the accident.
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