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Sodium Phosphate / sodium phosphate

Sodium Tripolyphosphate(STPP)

Time:2019-09-17 Click amount:
Sodium Tripolyphosphate(STPP)
Chemical formula
Na5P3O10
Molecular weight
367.86
Properties
White odorless granule or powder
Standard executed
Industrial Grade:GB 9984-2008  
Food Grade:GB 25566-2010
Usage
Industrial Grade: Mainly used as a water softener, a sequestering agent, and deflocculating agent in the detergent industry. Also used in the ceramic, leather, petroleum and paper manufacturing industries. Can be used as a dispersant in paint, kaolin and magnesium oxide.
Food Grade:Isolation of multivalent ions and prevention of oxidation and corrosion. Can also be used as a water retention agent, and as a fat and protein emulsifier.
Packaging and storage
Paper bag or PP-PE bag, Net weight 25kg、50kg、 1000kg per bag, dry and well-ventilated area.
Guaranteed Technical Specifications
NO.
Specifications
Industrial Grade
Food Grade
1
Main content (Na5P3O10)
≥%
94
94
2
Phosphorus pentoxide(P2O5)
≥%
56-58
56-58
3
 Water insoluble matter
≤%
0.1
0.1
4
PH value(10g/L solution)
 
9.2-10.0
9.2-10.0
5
Arsenic (As)  mg/kg
≤%
 
0.0003
6
Fluoride (F)  mg/kg
≤%
 
0.001
7
Heavy Metal (Pb)  mg/kg
≤%
 
0.001
8
Lead  (Pb)  mg/kg
≤%
 
0.0004
9
Whiteness
≥%
90
90

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