| ≥1 piece |
Specification
| Item | Unit | Dipotassium phosphate 98% |
| Appearance | White powder | |
| K2HPO4（as dry basis） | %(w/w) | min 98.0 |
| Water-insoluble | %(w/w) | max 0.2 |
| Arsenic (As) | mg/kg | max 3 |
| Fluoride (as F) | mg/kg | max 10 |
| Loss on Drying | %(w/w) | max 2.0 |
| Pb | mg/kg | max 2 |
Dipotassium Phosphate is the dipotassium salt of Phosphoric Acid which functions as a stabilizing salt, buffer, and sequestrant. Potassium is mildly alkaline with a pH of 9 and soluble in water with a solubility of 170 gms per 100 ml of water at 25C.