NILE
CHEMICALS
NILE
CHEMICALS
POTASSIUM DIHYDROGEN ORTHOPHOSPHATE
| SPECIFICATION | |
| KH2PO4 M.W. 136.09 | |
| Minimum assay ( acidimetry on dried substance ) | 98 - 101% |
| pH ( 10% water ) | 4.1 - 4.0 |
| Maximum Limits of Impurities : | |
| Chloride ( CI ) | 0.001% |
| Fluoride ( F ) | 0.001% |
| Sulphate ( SO4 ) | 0.02% |
| Heavy metals ( as Pb ) | 0.001% |
| Arsenic ( As ) | 0.0002% |
| Iron ( Fe ) | 0.002% |
| Copper ( Cu ) | 0.0025% |
| Sodium ( Na ) | 0.1% |
| Zinc ( Zn ) | 0.0025% |
| Reducing substances by KMnO4 ( as O ) | 0.04% |
| Substances insoluble in water | 0.2% |
| Loss on drying ( 130OC ) | 2.0% |