Sodium Tripolysphoate 94% (STPP)
Minimum Order: 0
Quality/Safety Certification: 0.00
SODIUM TRIPQLY PHOSPHATE (stpp)
Byname:Pent-sodium Phosphate
Molecular formula:Na5P3O10
Molecular Weight:367.86
CERTIFICATE OF ANALYSIS
Indexes | Industrial Grade | Food Grade |
Assay Na5P3O10% ≥ | 94.0 | 94.0 |
P2O5% ≥ | 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 | 9.5-10.0 |
Heavy Metal (as Pb) % ≤ |
| 0.001 |
Arsenic (As) % ≤ |
| 0.0003 |
Fluoride (F) % ≤ |
| 0.003 |
Whiteness % ≥ | 90 | 90 |
Ignition loss | 1.0 | / |
density (g/cm3) | 0.35-0.9 | 0.35-0.9 |
Phase I | 10-30 | 10-30 |
