7320-34-5 Anhydrous Tetrapotassium Pyrophosphate TKPP For Buffering Reagent

Product Description:

Potassium pyrophosphate is prepared by melting dipotassium hydrogen phosphate and losing water molecules. It is a white crystalline powder or particle at room temperature. It has strong hygroscopicity in air. It is easily soluble in water, but insoluble in ethanol. The aqueous solution is alkaline and can inhibit food spoilage and fermentation. The pH value of 1% aqueous solution is about 10.5. At 25 ℃, the solubility of potassium pyrophosphate in 100g water is 187G. In acid or alkali solution, the solubility of potassium pyrophosphate in 100g water is 187G But the rate of hydrolysis is very slow, and mixed with water to form viscous slurry. It can be used as a binder to prevent discoloration of ham, such as 10% phosphoric acid, 10% sodium polyphosphate, 10% calcium phosphate, 10% calcium phosphate, 10% calcium phosphate, 10% calcium phosphate, 10% sodium phosphate, 10% calcium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% calcium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10% sodium phosphate, 10 In order to make the electrodeposited coating smooth and firm, the formula of electroplating solution in industrial production is often very complex. Cyanide used to be used as complexing agent to prepare electroplating solution. However, because CN - is highly toxic, it does great harm to the health of electroplating workers. At the same time, the discharge of wastewater and waste gas containing CN - also seriously pollutes the environment. Therefore, cyanide free electroplating is mainly used in electroplating, and the complexing agent instead of cyanide is potassium pyrophosphate.

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Application:

Potassium pyrophosphate is mainly used to replace potassium cyanide for cyanide free electroplating. With the development of national industrial modernization, the demand for potassium pyrophosphate is increasing. In industry, it is also used for surface treatment, high-grade detergent, paint, detergent, dispersant, buffer, etc.; in food industry, it is used as emulsifier, tissue modifier, chelating agent, quality improver, etc. Potassium pyrophosphate can also be prepared from dipotassium hydrogen phosphate.

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