Specification | Tech Grade | Food Grade |
Appearance | White or Colorless Crystal Powder | |
Assay(as K2HPO4) | 98.0% Min | 98.0% Min |
Phosphorus pentoxide(as P2O5) | 30% Min | P-17.0% Min |
Potassium oxide(as K2O) | 40% Min | K-36.0% Min |
PH Value | 8.6-9.4 | --- |
Water insoluble matter | 0.2% Max | 0.2% Max |
Flouride(as F) | --- | 0.002 |
As | 0.01% Max | 0.001% Max |
Heavy Metals(as Pb) | 0.005% Max | --- |
Lead(as Pb) | --- | 0.003% Max |
Specification | Food Grade |
Appearance | White Crystal |
Assay(as K2HPO4) | 98.0% Min |
Phosphorus pentoxide(as P2O5) | 40.0% Min |
Potassium(as K2O) | 53.0% Min |
PH Value | 8.6-9.4 |
Moisture | 2.0% Max |
Water insoluble matter | 0.2% Max |
Arsenic(as As) | 0.0003% Max |
Flouride(as F) | 0.001% Max |