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| ITEM | RESULT |
| PHOSPHOROUS ACID | 98.55% |
| CHLORIDE | 0.01%Max |
| PHOSPHATE | 0.1%Max |
| SULPHATE | 0.006%Max |
| IRON | 0.0015% |
| Heavy metials(as Pb) | 0.001%Max |
| Pb | 0.18mg/kg |
| Cd | 0.005mg/kg |
| As | 0.13mg/kg |
| Hg | 1mg/kg |
| Cr | 0.10mg/kg |
| Water-solubility | Excellent |