|
Item |
Specifications |
|
Appearance |
White or Colorless Crystal Power |
|
Main contents |
98.0% |
|
Phosphorus pentoxide, as P2O5 |
P--22.3% |
|
Potassium oxide,as K2O |
K--28.0~32.0% |
|
Fluoride, as F |
≤0.2% |
|
Arsenic,as As |
≤0.001% |
|
Lead, as Pb |
≤0.003% |
|
Water insoluble |
≤0.2% |
|
Loss on drying |
20.0-25.0% |