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三聚磷酸钠
Time:2010-3-30    Browse:1852

Commodity: Sodium Tripolyphosphate
Molecular Formula:Na5P3O10                     
Properties: White microdot powder with luster, melting point at 6220 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.
Package: 25kg, 50kg bags or according to customer’s demand.
Applications: Mainly used as the detergent builder, also used as improving agent for meat, poultry and sea food in food industry and for the use of petroleum, mining, water-treating industries and so on.
Specification data: see the table below
 

 

 

Iterms
Industrial Grade
Food Grade
Assay Na5P3O10 % ≥
94.0
94.0
P2 O 5 % ≥
57.0
57.0
Water Insoluble Matter % ≤
0.15
0.05
Iron(Fe) % ≤
0.015
0.015
PH value (1% water solution)
9.2-10.0
9.5-10.0
Heavy Metal (as Pb) % ≤
/
0.001
Arsenic (As) % ≤
/
0.0003
Fluoride (F) % ≤
/
0.003
Whiteness % ≥
90
90
Ignition loss
1.0
/
density (g/cm3)
0.35-0.9
0.35-0.9
Phase I
10-30
10-30

 

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