Indexes | Industrial Grade | Food Grade |
Na5P3O10 | 94.0%Min | 94.0%Min |
P2 O 5 | 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 |