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potassium pyrophosphate


code 7320-34-5
standard HG/T3591-1999
chemical formula K4O7P2
formula weight 330.336522
shape White powder or block
effect:For without cyanide electroplating, surface treatment, high-grade detergent, paint coating, detergent, dispersant, buffer; Food grade used in the food processing of emulsifier, organization improver, chelating agent, quality improver, etc
storage:Double internal outside the plastic bags, 25 kg ventilation, to prevent exposure.
Trihydrate was used caustic potash solution and phosphoric acid potassium hydrogen phosphate, heating to 120 ~ 130 ℃ water of crystallization, off into anhydrous potassium hydrogen phosphate, add it to calcine furnace in 500 ~ 600 ℃ calcination under polymerization, after cooling, consumption of potassium pyrophosphate was finished.

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