CAS No.: | 7320-34-5 |
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Formula: | K4p2o7 |
EINECS: | 230-785-7 |
Certification: | ISO |
Type: | Phosphate |
Grade Standard: | Industrial Grade |
Customization: |
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Property:white powder or mass, specific gravity: 2.534, M.P.: 1110 ; Soluble in water, insoluble in ethanol and its aqueous solution is alkali. Solubility(25 ): 187g/100g water; PH (1% aqueous solution): 10.2; It has the same properties as other condensed phosphate
Specification
|
Tech Grade
|
Food Grade
|
Appearance
|
White powder
|
White powder
|
Assay
|
98.0% Min
|
98.0% Min
|
Water insoluble
|
0.2% Max
|
0.1% Max
|
pH (1% water solution )
|
10-11
|
10-11
|
Heavy Metal(Pb)
|
0.003% Max
|
0.001% Max
|
Iron (as Fe)
|
0.001% Max
|
0.001% Max
|
(as As)
|
0.005% Max
|
0.0003% Max
|
Potassium pyrophosphate is mainly used to replace potassium -cyanide for cyanide-free plating. With the development of national industrial modernization, the demand for potassium pyrophosphate is increasing day by day.
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