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Sodium tripolyphosphate

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Sodium tripolyphosphate

Sample Price : None Specified

Delivery Time : within 5 working days(depends on your quantity)

Place of Origin : china

Category : Fluoride

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Sodium Tripolyphosphate (STPP)
OUR COMPANY LOCATED IN CHINA MIANLAND!
The product have high quality with competitive price!

Sodium Tripolyphosphate (STPP)

OUR COMPANY LOCATED IN CHINA MIANLAND!

Chemical formula: Na5P3O10 
Molecular weight: 367.86
Standard executed: GB9983-88       

Properties:White microdot powder with luster, melting point at 622°c, 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.
 

Technical Specifications: 

 No

 Specification

 Industrial grade

 Food grade

 1 

 Main content              %

 94.0 min

 94.0 min

 2

 P2O5                          %

 57.0 min

 57.0 min

 3 

 Water insoluble         %

 0.10 max

 0.05 max

 4

 Iron, as Fe                 %

 0.015 max

 0.015 max

 5

 pH of 1% water solution

 9.2-10.0

 9.5-10.0

 6

 Heavy metal, as Pb    %

 -

 0.001 max

 7

 Arsenic, as As            %

 -

 0.0003 max

 8

 Fluoride ,as F             %

 -

 0.003 max

 9

 Chloride, as Cl           %

 -

 0.025 max

Application: Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process.


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