Application of Tetrasodium Pyrophosphate in Various Industries

Tetrasodium pyrophosphate, also known as tetrasodium diphosphate, can be divided into anhydrous substances and decahydrate substances. Decahydrate is colorless or white crystal or crystalline powder. Anhydrous substance is white powder, which is soluble in water but insoluble in ethanol and other organic solvents.

Industrial grade

1. Electroplating industry use to prepare electroplating solution, which can form complex with iron. Wool spinning industry is used as wool degreasing agent and bleaching agent.
2. The paper industry use for bleaching paper and plant fibers.
3. The printing and dyeing industry is used as an assistant in printing and dyeing and fine bleaching.
4. The daily chemical industry is used as toothpaste additive, which can form colloid with calcium hydrogen phosphate and play a stabilizing role. It can also use to synthesize detergent and produce shampoo.

Besides softening water, sodium pyrophosphate can redissolve insoluble salts of calcium and magnesium. For example, the dirt formed by insoluble calcium soap or other metal soap is mixed in the clothing fiber, which can redissolve it and improve the decontamination ability. In addition, sodium pyrophosphate has a deflocculation effect, which makes the oil emulsify, which is called peptization property. It can also make the surfactant solution further reduce the surface tension and interfacial tension, and play the role of washing aid. Used as rust remover in machining. Used as dispersant and emulsifier in chemical production. It can also be used in water treatment agent as water softener, oil drilling, etc.

Food Grade

TSPP is used as quality improver, emulsifier, buffer and chelating agent in food industry.

1. As food quality improver, PH regulator, metal ion chelating agent, emulsifying dispersant, adhesive, etc. in food industry, it is mainly used in meat and aquatic products processing, improving PH value and water holding capacity, keeping meat fresh and tender, stabilizing natural pigment and preventing fat spoilage;
2. Used in pasta to enhance the processing performance of pasta and improve the quality of pasta;
3. It is used as a quality improver for canned food, juice drinks and dairy products;
4. It is used to avoid the discoloration of fruits after processing;
5. In addition, it can be used as cleaning solution for eggs, emulsifier for cheese, and additive for soy sauce and soybean milk.

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