China Sodium&Nbsp; Tripolyphosphate (STPP) Food Grade, Find details about China Pent-Sodium Phosphate, STPP Technical Grade from Sodium&Nbsp; Tripolyphosphate (STPP) Food Grade
Testing Items | STPP Food Grade |
Appearance | White Powder or granules |
Content (Na5P3O10)% | 95.0 min |
P2O5 % | 57.0 min |
Fluoride (F) % | 0.003 max |
Arsenic (As)% | 0.0003 max |
Heavy Metal (Pb)% | 0.001 max |
Chloride (Cl)% | 0.025 max |
Sulfate (SO42-) % | 0.4 max |
Water Insoluble % | 0.05 max |
pH Value | 9.5-10 |
Whiteness | 85 min |