China STPP Sodium Tripolyphosphate Food Grade, Find details about China Food Additive Sodium Tripolyphosphate, Detergent Grade Sodium Tripolyphosphate from STPP Sodium Tripolyphosphate Food Grade
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 |