COA of Sodium Tripolyphosphate Tech Grade and Food Grade
Item | INDEX | ||
Food Grade | Tech Grade | ||
Main Content % | ≥95.0 | ≥ 94.0 | |
P2O5 % | ≥57.0 | ≥ 57.0 | |
PH of 1% solution | 9.5--10.0 | 9.2--10.0 | |
Water insoluble % | ≤0.05 | ≤ 0.10 | |
Whiteness% | ≥85 | ≥ 90 | |
F % | ≤0.003 | N | |
Sulfate% | ≤0.4 | N | |
Arsenic, as As % | ≤0.0003 | N | |
Heavy metals, as Pb % | ≤0.001 | N | |
Bulk Density | 0.7-1.0 | 0.7-0.9 | |
Fe% | N | ≤0.015 | |
Phase I % | N | 15-35 | |
CONCLUSION | quality IS PASSED |
Uses:
in industry, it is used in detergent, synergist for soap; water softener; tanning agent for leather making, auxiliary for dyeing; as an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production.
In foodstuff industry, it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It could tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It also serves as a softener or densifier in foodstuff industry.
industrial STPP