China Factory Supply Good Price Sodium Tripolyphosphate STPP with FDA, Find details about China Sodium Tripolyphosphate, Sodium Tripolyphosphate Additive from Factory Supply Good Price Sodium Tripolyphosphate STPP with FDA
Testing Item | Citric Acid Anhydrous | Citric Acid Monohydrate |
STPP content /% | ≥85 | 96.8 |
P2O5 content /% | 56.0~58.0 | 57.8 |
Water insoluble /% | ≤0.1 | 0.01 |
PH ( 1%) | 9.5-10 | 9.8 |
Whiteness /% | ≥85 | 94 |
Fluoride ( F) /% | ≤0.005 | 0.0006 |
Arsenic (AS)/% | ≤0.0003 | ≤0.00007 |
Heavy Metal(Pb)/% | ≤0.0010 | ≤0.0003 |
Stacking density(g/cm3) | 0.35-0.9 | 0.75 |
Note: Special requirements of particle size should be negotiated by both suppliers and customers |