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Sodium Tripolyphosphate(STPP) 

  Category : Chemicals->chemical material->sodium tripolyphosphate

     
Sodium Tripolyphosphate(STPP)
       

  Product Specification
 
  Country  0
  Packing  25kgs in plastic woven bag with PE lining.
  Minimum Order  10MT
  Payment Term  TT/LC at sight

 

    Product Detail
  Chemical formula: Na5P3O10
Molecular weight: 367.86
CAS NO.: 7758-29-4
Ref. Standard: GB/T9983-2004(industrial grade); QB1034-91(food grade)
production capacity:3000 t/a
Properties: White microdot powder with luster, melting point at 622C, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+, Mg2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity. Bulk dencity 0.4~1.0g/cm3

Technical Specifications:
No. Index Industrial Grade Food Grade
1 Main content %min 95.0 95.0
2 P2O5 %min 57.0 57.0
3 Iron, as Fe %max 0.015 0.01
4 pH of 1% water solution 9.2-10.0 9.5-10.0
5 Water insoluble %max 0.1 0.05
6 Heavy metal, as Pb %max - 0.001
7 Arsenic, as As %max - 0.0003
8 Fluoride ,as F %max - 0.003
9 Chloride, as Cl %max - 0.025

   


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