| ≥1 piece |
|
Main contents |
≥ 95.0% |
|
Phosphorus Pentoxide, as P2O5 |
≥ 57% |
|
Fe |
≤ 0.015% |
|
Water insoluble |
≤ 0.1% |
|
PH |
9.2-10.0 |
|
Whiteness |
≥ 85.0 |