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[Chemical Knowledge]：Properties and uses of trisodium phosphate

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Trisodium phosphate is an important raw material for chemical production, which is widely used in many fields. This article will detail the properties and uses of trisodium phosphate.

1. The properties of trisodium phosphate

1. Physical properties: Trisodium phosphate is a colorless or yellowish crystalline powder with strong hygroscopicity. It is readily soluble in water and its aqueous solution is alkaline.
2. Chemical properties: trisodium phosphate will be hydrolyzed into sodium hydroxide and disodium hydrogen phosphate in water, so its aqueous solution is alkaline. In addition, it also has good chemical stability and can form insoluble precipitates with many metal ions.

2. The use of trisodium phosphate

1. Food industry: Trisodium phosphate can be used as a food additive to adjust the pH of food and improve the taste of food. It is often used in bread, pastries and other foods to increase the bulkiness and taste of the food.
2. Detergent industry: Trisodium phosphate has good decontamination ability and can be used as one of the important components of detergents. It can effectively remove stains and grease from clothes and improve the washing effect.
3. Water treatment agent: trisodium phosphate can be used as a water softener in water treatment, which can effectively remove calcium and magnesium plasma in water and prevent the formation of scale. At the same time, it can also adjust the pH value of the water and maintain the stability of the water quality.
4. Ceramic industry: Trisodium phosphate can be used as a flux in the ceramic industry, which can reduce the sintering temperature of ceramics and improve the density and strength of ceramics.
5. pharmaceutical industry: trisodium phosphate in the pharmaceutical industry can be used as a buffer, stabilizer, used to adjust the pH value of drugs, improve the stability of drugs.

In short, trisodium phosphate, as an important raw material for chemical production, has a wide range of applications in many fields. Understanding the properties and uses of trisodium phosphate will help to better play its role and improve production efficiency and product quality.

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