Specifications |
Industrial Grade |
Food Grade |
Total phosphate, as P2O5%≥ |
68.0 |
68.0 |
Inactive phosphate, as P2O5%≤ |
7.5 |
7.5 |
Iron, as Fe %≤ |
0.05 |
0.05 |
Ph &#118alue (1% solution) %≤ |
5.8-7.3 |
5.8-6.5 |
Solubility |
Qualified |
Qualified |
Heavy metals, as Pb %≤ |
- |
0.001 |
Arsenic, as As%≤ |
- |
0.0003 |
Fluoride as F%≤ |
- |
0.003 |
Water insoluble %≤ |
0.05 |
0.06 |