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Potassium Pyrophosphate (TKPP)

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category：Industrial application
Properties: Anhydrous potassium pyrophosphate is a white powder with a relative density of 2.534 and a melting point of 1109°C. It is easily hygroscopic and deliquescent. It is easily soluble in water and insoluble in ethanol. At 25°C, it dissolves 187 grams in 100 grams of water. Chelation.
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Potassium Pyrophosphate (TKPP)

Tetra Potassium Pyrophosphate

Chemical formula: K4P2O7

Molecular weight: 330.34

Properties: Anhydrous potassium pyrophosphate is a white powder with a relative density of 2.534 and a melting point of 1109°C. It is easily hygroscopic and deliquescent. It is easily soluble in water and insoluble in ethanol. At 25°C, it dissolves 187 grams in 100 grams of water. Chelation.

Uses: Mainly used in cyanide-free electroplating, industrial and household detergents, as buffer reagents and hydrogen peroxide stabilizers, and as dispersants for ceramics, clay, latex, and pigments.

Packing: inner plastic outer woven, net weight 25Kg, 50Kg, 1000Kg per bag, stored in a ventilated and dry place.

[Table unit: %]

Serial number  Indicator item    National standard  Internal control index 
1  Appearance    White powder 
2  Potassium pyrophosphate  ≥  96  96 
3  Phosphorus pentoxide  ≥  /  42 
4  Iron  ≤  0.03  0.002 
5  Water insoluble matter  ≤  0.1  0.05 
6  Heavy metal (in lead)  ≤  0.001  0.001 
7  Arsenic (as arsenic)  ≤  0.0003  0.0001 
8  PH value    10.0-10.7  10.0-10.7 
9  Ignition weightlessness    /  0.2 
10  Orthophosphate    Conformity inspection 
Keyword:
pyrophosphate
potassium
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Sodium pyrophosphate (TSPP)
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Polyphosphoric acid 105%-115% (PPA)

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Food Grade Potassium Pyrophosphate (TKPP)
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Properties: White powder or block, the apparent specific gravity is above 0.3, the melting point is 1100 ° C, soluble in water, insoluble in alcohol, the aqueous solution is alkaline. It has high solubility in water (187 grams per 100 grams of water at 25°C), and has a slight deliquescence.
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