Functions and uses of trisodium phosphate

Industrial trisodium phosphate is a commonly used alkaline additive, mainly used in the manufacture of detergents, flavorings, thickeners, etc. Its structure is mainly composed of sodium hydrogen phosphate and trivalent sodium, which has alkaline, antibacterial, antioxidant and pH-adjusting properties. This article will introduce the uses of industrial trisodium phosphate in order to provide a reference for everyone.

1.Trisodium phosphate can interact with soluble calcium salts, magnesium salts, etc. in the water that easily form boiler scales, forming insoluble calcium phosphate Ca3(PO4)2, magnesium phosphate Mg3(PO4)2 and other precipitates suspended in the water, making the boiler inoperable. Scale buildup. At the same time, excess trisodium phosphate can also turn the caked pot scale into soft and fall off. Therefore, the coal consumption of the boiler is saved, the safety of the boiler is maintained and the service life of the boiler is extended.

2.The water quality of the boiler must be strictly controlled, because the water contains a certain amount of calcium and magnesium ions. If not controlled, scale will form and adhere to the boiler. Adding trisodium phosphate can cause the calcium and magnesium ions to form loose precipitates. Remove it regularly and promptly to avoid scale. Calcium and magnesium scale are formed because the concentration of calcium and magnesium salts in the water exceeds their solubility, and they precipitate from the water and attach to rough and uneven metal heating surfaces, forming scale.

3.The water used for scouring cotton cloth contains hardness, so an appropriate amount of trisodium phosphate should be added as a water softener. Its advantage can improve the capillary effect of fabrics. After trisodium phosphate softens hard water, it prevents the boiling water in the scouring liquid from being consumed by the hard water, and promotes the scouring effect of burning on cotton cloth. Trisodium phosphate reacts with calcium and magnesium salts in hard water to become insoluble calcium phosphate and magnesium phosphate; these phosphates are not sticky and will not stick to fabrics like the calcium and magnesium salts of soap. In addition, it also has penetrating and emulsifying effects.

4.It has excellent wetting ability and a certain emulsifying effect, making it an excellent detergent for removing dirt from hard surfaces and metal surfaces. The laboratory can use 1% trisodium phosphate solution to wash the bottles to remove dirt. Before chrome plating the printing cylinder, 5% trisodium phosphate solution can be used to clean the grease on the surface of the copper flower tube, so as to promote the smooth progress of the chrome plating of the flower tube.

5. Trisodium phosphate is a strong base and weak acid salt. It has strong alkalinity and high solubility. It has stable chemical properties and can be stored for a long time. Trisodium phosphate is added to the spray water of the containment spray system to replace sodium hydroxide. , can adjust the pH value of the spray liquid, effectively remove the iodine gas released from the leaked cooling water into the containment, and avoid damage to workers by strong alkali.

6. Used as flux and decolorizing agent in the enamel industry.

7. In the textile industry, it is used as a mercerizing enhancer for fabrics and an anti-brittle agent for thread making.

8. Used as metal corrosion inhibitor or rust inhibitor in the metallurgical industry.

9. Used as rawhide degreaser and degumming agent in tanning industry.

10. In the electroplating industry, it is used to prepare surface treatment degreasing liquid and alkaline detergent for unpolished parts.

11. In synthetic detergent formulas, it is used in strong alkaline cleaning agent formulas (such as car cleaners, floor cleaners, metal cleaners, etc.).

In summary, industrial trisodium phosphate is an important chemical that has important applications in detergents, the food industry, and other industries. It has alkaline, antibacterial, antioxidant and pH-adjusting properties, which can effectively improve product performance, improve product quality and use effects. Therefore, industrial trisodium phosphate is very important and is valued and applied by more and more industries.

Henan Zhenglin New Material Co., Ltd. is located in Zhengzhou High-tech Industrial Development Zone referred to as Zhengzhou High-tech Zone, located in the northwest of the beautiful Zhengzhou, the transportation is very convenient. It is a professional production and trading company. The company introduces advanced technology from Domestic and abroad, The company produces phosphate and water treatment products, mainly producing sodium tripolyphosphate, sodium hexametaphosphate, sodium dihydrogen phosphate, potassium dihydrogen phosphate, sodium gluconate, sodium acetate, polyacrylamide, polyaluminum chloride ,EDTA 4 Na,EDTA 2 Na,citric acid,soda ash and other phosphate chemical products.

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