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Trisodium phosphate

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Time：2018-04-07 20:30:06   
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Detailed introduction：
Detailed introduction:
Chemical formula: Na2HPO4·12H2O
Molecular weight: 358.14
Executive Standard: GB6008-85
Character: Appearance is white or colorless sand granular crystal, easy to weather in the air, soluble in water, insoluble in alcohol, aqueous solution is weakly alkaline, relative density of 1.63, melting point of 34.6 °C.
 
Technical indicators:
 No.
 Index name
 

Na2HPO4

Na2HPO4·12H2O
 Industrialgrade  Giftedclass  Industrialgrade  Giftedclass
 1  Main content                    %≥  98.0  98.0  97.0  98.0
 2  P2O5                                %≥  49.0  49.0  19.2  19.4
 3  pHvalue(1%aqueoussolution)  8.8-9.2  9.0-9.4  8.8-9.2  9.0-9.4
 4 Chloride(measuredasCl)   %≤  -  -  0.05  0.014
 5  Sulfate (measuredasSO4) %≤  -  -  0.7  0.25
 6  Heavy metal (Pb)             %≤  -  0.001  -  0.001
 7  Arsenic (calculated as As)%≤  -  0.0003  -  0.0003
 8  Fluoride (in F)                   %≤  -  0.003  -  0.002
 9  Water insoluble matter   %≤  0.10  0.10  0.10  0.05

Uses: Mainly used as flame retardants for fabrics, wood and paper, boiler water softeners, dye additives, food additives, acids
Buffers and glazes, solders, baking powders, tanning leathers, and pyrophosphates.
Packing: Inner plastic outer packing, net weight 25, 50, 1000Kg per bag, stored in ventilated and dry place.

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