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sodium pyrophosphate


code 7722-88-5
standard HG/T 2968-1999
chemical formula Na4P2O7·10H2O
formula weight White powder or crystal
shape White powder or crystal
effect:The plating solution for electroplating industry, can form complex with iron. Wool spinning industry is used as the wool degreasing agent and bleaching agent. Papermaking industry used for bleaching paper and plant fiber. Printing and dyeing industry as additives for the essence of printing and dyeing, bleaching. Daily chemical industry is used as additive in toothpaste, can form with calcium hydrogen phosphate colloid and stable effect, can also be used in synthetic detergent and cream shampoo and other products. As a water softener in water treatment. As rust remover in the mechanical processing. In the chemical production is used as dispersant and emulsifier. Can also be used for water treatment, oil drilling, etc., in the food industry as improver, emulsifier, buffer, chelating agent, etc.
storage:25 kg, 50 kg in plastic woven bags outside packing. Sealed, moisture, dry warehouse
Sodium pyrophosphate is with disodium hydrogen phosphate solution made by dry anhydrous disodium hydrogen phosphate, high temperature dehydration polymerization again. Divide into two kinds, one-step and ldpe-g-nvp was dry and aggregation in a device called a step method, drying and aggregation in the two devices called two-step method. Simple one-step equipment, process short, but the quality is not so stable. Two-step equipment is complex, process is longer, the product quality is stable, the food industry with sodium pyrophosphate use two step more.

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