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SODIUM TRIPOLYPHOSPHATE(STPP) FOOD GRADE

Guaranteed Technical Specifications

Byname: Pentasodium phosphate
Chemical formula: Na5P3O10
Standard Executed: GB/T9983-2004(INDUSTRIAL GRADE)GB25566-2010(FOOD GRADE)
Throughput: 50000 t/a

Properties

White microdot powder with luster, melting point at 622℃, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+, Mg2+, can soften hard water, change suspension into solution, alkalescent, without causticity.

Uses

Usesas main auxiliary of synthetic wash, soap synergistic agent, Ceramic Industry,watersoftener, leather pre-tanning agent, dye auxiliary agent, and dispersant ofsuspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud,preservative agent for paper making, organic synthesis catalyzer, and used inepuration of petroleum product, gum latex storage, as dispersant, solvent inmetal industry and pharmaceutical industry, also widely used in gum synthesis,foodstuff industry, and poultry process.

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Packing and storage

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

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  • Other Parameters
序號 No.
指標名稱 Specifications
食品級 Food Grade
1  
Main contents(as Na5P3O10)  min%
85.00
2
Phosphorus pentoside(as P2O5)min%
56-58.00
3
Iron(as Fe)                max%
0.015
4
PH
9.4-10.0
5
Pb                  max%
0.0004
6
Heavy metals(as Pb)        max%
0.001
7
Arsenic(as As)             max%
0.0003
8
Fluoride(as F)             max%
0.003
9
Water insoluble            max%
0.05
10
Whiteness               min%
85.0
Pre:SODIUM HEXAMETA PHOSPHATE(SHMP) FOOD GRAGE Next: MONOAMMONIUM PHOSPHATE (MAP) FOOD GRADE
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