We supply STPP/sodium tripolyphosphate: tech grade STPP/sodium tripolyphosphate and STPP Food Grade . Storage and transport: It should be stored in a dry, ventilative and clean warehouse; kept away from moisture and heat, and stored separately from poisonous substances
| Parameter |
Grade |
| Standard: GB/T9984-2008/QB1034-1991 |
Technical |
Food |
| Assay Na5P3O10 % ≥ |
94.0 |
95.0 |
| 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 |
9.4-10.0 |
| Heavy Metal (as Pb) % ≤ |
- |
0.001 |
| Arsenic (As) % ≤ |
- |
0.0003 |
| Fluoride (F) % ≤ |
- |
0.003 |
| Chloride(Cl) % ≤ |
- |
0.025 |
| Sulphate(SO4)% ≤ |
- |
0.4 |
| Whiteness % ≥ |
90.0 |
90.0 |
| Density (g/cm3) |
0.35-0.95 |
0.55-0.90 |
| Phase I |
|
|
Audited Supplier 
Audited Supplier 
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