|
Sodium Tripolyphosphate(STPP)
Moleculer Formula:Na5P3O10
Moleculer Weight:367.86
Category:Quality Booster
Code:15.003(GB12493-90)
CAS-No.:7758-29-4
INS-NO.:E451.i
EEC.No.:E451.b
Description: White powder.
Identification: The product yields the reaction characteristic
for phosphates.
Solubility: Soluble in water
Specification: Our STPP(FG) products meet the requirements
of QB1034-91; our export products meet the requirements of QB 1034-91
and BK Giulini Chemie Standard Quality.
|
Parameter
|
Specification
|
|
GB1034-91
|
BK Guilini Spec.1327-16
|
FCC
|
JSFA-VII
|
Na5P3O10,%  |
95.0
|
95.0
|
85
|
|
| P2O5,%
|
57.0
|
57.0
|
|
|
Insolubles,%  |
0.05
|
0.10
|
0.1
|
|
| PH(1%Solution) |
9.5-10.0
|
9.6-10.1
|
9.2-10.1
|
|
| Arsenic(As),ppm, |
3
|
2
|
3
|
1.5
|
| Lead(Pb),ppm, |
|
2
|
5
|
|
| Heavy Metals (as Pb), ppm, |
10
|
10
|
10
|
20
|
| Mercury(Hg),ppm, |
|
1
|
|
|
| Cadmium(Cd),ppm, |
|
1
|
|
|
| Fluoride(F),ppm, |
30
|
10
|
|
|
| Chloride(Cl),%, |
0.025
|
|
|
0.21
|
| Sulphate(SO4),%, |
0.40
|
|
|
0.048
|
| Nitrate(NO3),ppm, |
|
50
|
|
|
| Bulk density,g/l |
|
400-600
|
|
|
| White degree |
85
|
|
|
|
|
Nitrite(NO2),ppm
|
|
10
|
|
|
|
