Sodium Tripolyphosphate

1.Sodium Tripolyphosphate
2.Sodium Tripolyphosphate 94%
3.Sodium Tripolyphosphate manufacturer
4.STPP widely used make soap

Sodium Tripolyphosphate

we are stpp
manufacturer, Specification:

Name
Sodium Tripolysphoate 94%
Chemical Formula

Na5P3O10

iTEM
Standard
Assay Na5p3o10, %
≥

94.0
P2O5, %
≥

56.5
Water insoluble matter
0.03
Iron (Fe),
%
≤

0.03
PH Value
9.2-10.3
Whiteness,%
90
Density
0.40
g/cm3-1.0 g/cm3

Heavy Metal (as Pb),
%
≤

0.001
Bulk density
0.35-0.5g/cm 3



indicators

projects


The attractivest species


advance species


the qualified species



the degree of the white


≥ 90.0%


≥85.0%


≥80.0%


phosphoric anhydride(P2O5)


≥ 57.0%


≥56.5%


≥55.0%


Sodium Tripolyphosphate
(Na5P3O10)


≥ 96.0%


≥90.0%


≥85.0%


the content
of water-insoluble


≤ 0.10%


≤0.10%


≤0.15%


The Determination of Total

Iron Content


≤ 0.007%


≤0.015%


≤0.030%


PH value


9.2-10.0 in a drop of liquid


the granularity


≥95%