Sodium Tripolyphosphate,STPP,phosphate

Chemical formula: Na5P3O10

Molecular weight: 475.96

Standard executed: Tech grade(GB 9983-2004)  Food grade(QB 1034-1991)

CAS Number: 7758-29-4

Packing and storage:

In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.

 

Specifications            Food Grade

Assay Na5P3O10 % min           95.0      

P2O5  %min                     57.0  

Water Insoluble Matter%max     0.05   

Iron(Fe) %max                  0.01       

PH value(1%water solution)     9.5-10.0 

Heavy Metal(as Pb) %max         0.001

Arsenic(As) %max                0.0003

Fluoride(F) %max                0.003

 

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