Indexes | Industrial Grade | Food Grade |
Na5P3O10 | 94.0% Min | 94.0% Min |
P2O5 | 57.0% Min | 57.0% Min |
Water Insoluble Matter | 0.15% Max | 0.04% Max |
Iron (Fe) | 0.015% Max | 0.006% Max |
PH value (1% water solution) | 9.2-10.0 | 9.5-10.0 |
Heavy Metal (as Pb) | 0.001% Max | - |
Arsenic (As) | 0.0003% Max | - |
Fluoride (F) | 0.003% Max | - |
Whiteness | 92% Min | 92%Min |
Ignition loss | 1.0 | - |
Density (g/cm3) | 0.35-0.9 | 0.35-0.9 |
Phase I | 10-30 | 10-30 |