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Sodium Tripolyphosphate
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Last update: 2017-12-27 11:02
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Features Specifications: sodium tripolyphosphate
Chemical formula:Na5P3O10
Molecular weight:367.88
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, slightly alkaline, without causticity
Uses: Mainly used as synthetic detergent ingredient

Item

Standard No

Exact No

Sodium Tripolypyosphate(Na5P3O10),%≥

90.0

94.0

Phosphate(base on P2O5) ,%≥

56.5

57.3

Insoluble substance in water,%≤

0.10

0.07

PH value

9.2-10.0

9.4

Whiteness,≥

85.0

90

Fe,%≤

0.015

0.009

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