Sodium Tripolyphosphate
Molecular Formula: Na5P3O10
Molecular Weight: 367.86
Property: White powder or Crystal
Specification:
Index |
Surface Density (g/cm3) |
Content of Phase I (%) |
Code |
L |
M |
H |
A |
B |
C |
Spec |
0.35-0.50 |
0.51-0.65 |
0.66-1.00 |
5-20 |
21-40 |
>40 |
|
Item
|
|
Technical Grade (index)
|
Food Grade (index)
|
| Main Content (Na5P3O10) |
≥ |
94% |
94% |
| Phosphorus Pentoxide (P2O5) |
≥ |
57% |
57% |
| Whiteness |
≥ |
90% |
85% |
| Insoluble matter in water |
≤ |
0.1% |
0.05% |
| Iron (Fe) |
≤ |
0.01% |
|
| PH Value (10g/l solusion) |
|
9.2-10.0 |
9.5-10.0 |
| Density |
g/cm3 |
0.4-1.0 |
|
| Arsenic (As) |
≤ |
|
0.0003% |
| Heavy Metal (as Pb) |
≤ |
|
0.001% |
| Fluoride (as F) |
≤ |
|
0.003% |
| Chloride (as Cl) |
≤ |
|
0.025% |
| Sulphate |
≤ |
|
0.4% |
Packing: In 25kg or 50kg PP woven bags line with PE film bag inside.
Application: Technical grade is mainly used in china, scour, petroleum, metallurgy, mining, warter treatment, printing and dyeing industry and so on. Food grade complex plastic interweaved sack outside with double-layer polyethylene-film sack inside, net weight 25kg; or based on the demand of user.
|
