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Sodium Tripolyphosphate (STPP)

 
Category: Sodium Phosphates    
Cas No.: 7758-29-4  
Molecular formula: Na5P3O10  
Packing: 25KG/BAG，22MT/20FCL  
Min. Order: 500KG  

QC: Haccp, Kosher, Halal, Iso

 

  
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Specifications

    
Items Unit Specifications
Appearance White powder or granular
Na5P3O10: % 85.0Min
P2O5 % 56.0-58.0
Fluorides (As F) % 0.003Max
As % 0.0003Max
Lead (as Pb) % 0.0004Max
Heavy metal (as pb) % 0.001Max
Water insoluble % 0.1 Max
PH (1%of aqueous Solution) 9.5-10.0
Loss on drying % 0.7Max
Chloride % 0.025Max
Sulphates% % 0.4Max
Whiteness % 85Min

USE: It is used in food as water retention agent, quality modifier, pH regulator and metal chelating agent.

Storage: Stored in a sealed container. Store in a cool, dry, well ventilated place away from incompatible substances.

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